Minor updates for rxe driver
-----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJX+BuzAAoJELgmozMOVy/dUvwP/juvXUJg7Xh3N0PXo0+Qb8Xc TG3a8EdumYZtDF8jualKiuJboGUdkMN4EDWhfdPxxW3lGBc8EQP7vac2H3NCcE3L ntRYrEeaDF8x5eUSyIQf2hs9k7HVQ+gkR8KqbeVUFh8iCwNnQ+wjvBXB+WUcqioW mp+S0//v8t1r1zPyUE7NgBo8EBVWzapiiGrDObNMke2oZxa4CsKsPCUMzSr9USW+ /oSQBqcAZQ6LL8ykvx2oov2jt+bcWKco5fxRb8R7+buZknC4jX98f70WkLUne1+q oG3fKf1cUmORAjWelNDSxfwz8uWzkZifHqa+5UQHKVR9PcFJIQUKuW/5InMxkU3+ HG+t7YiwCKOX7+99zUC5GHWFilmAOJma567VzfEgzcJjNeRtoCVG0a7smACWKA/y JWUoLUQd5c9dvg46CDG+qqk79tINYmRdtgvJmht2AhCAczRYI8iMIaw9Fh7yC5Dg JvUVjLLVtdNjJSP0ixY6RJB4aQVbdVSzo4UUJKXQkaJM6KWRd5HYGcr8rUXn8HEf PjHNcPEByOJBfH2Fg759nKDPaVAN4r/8nDHZpLfEfnzzEcXWIUk4vDcCYHxN69RF 8EZZ681c4YE/WW49Jr/JulKKRsrZn1xB4FJF5gJmAOvb0WHoJPf82YEr3kcUUOQK HaECbnzwYqGRQe5tNFiD =/P6a -----END PGP SIGNATURE----- Merge tag 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull more rdma updates from Doug Ledford: "Minor updates for rxe driver" [ Starting to do merge window pulls again - the current -git tree does appear to have some netfilter use-after-free issues, but I've sent off the report to the proper channels, and I don't want to delay merge window activity any more ] * tag 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: IB/rxe: improved debug prints & code cleanup rdma_rxe: Ensure rdma_rxe init occurs at correct time IB/rxe: Properly honor max IRD value for rd/atomic. IB/{rxe,core,rdmavt}: Fix kernel crash for reg MR IB/rxe: Fix sending out loopback packet on netdev interface. IB/rxe: Avoid scheduling tasklet for userspace QP
This commit is contained in:
commit
1fde76f173
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@ -138,6 +138,21 @@ static void rvt_unmap_sg(struct ib_device *dev,
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/* This is a stub, nothing to be done here */
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/* This is a stub, nothing to be done here */
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}
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}
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static int rvt_map_sg_attrs(struct ib_device *dev, struct scatterlist *sgl,
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int nents, enum dma_data_direction direction,
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unsigned long attrs)
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{
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return rvt_map_sg(dev, sgl, nents, direction);
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}
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static void rvt_unmap_sg_attrs(struct ib_device *dev,
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struct scatterlist *sg, int nents,
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enum dma_data_direction direction,
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unsigned long attrs)
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{
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return rvt_unmap_sg(dev, sg, nents, direction);
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}
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static void rvt_sync_single_for_cpu(struct ib_device *dev, u64 addr,
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static void rvt_sync_single_for_cpu(struct ib_device *dev, u64 addr,
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size_t size, enum dma_data_direction dir)
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size_t size, enum dma_data_direction dir)
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{
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{
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@ -177,6 +192,8 @@ struct ib_dma_mapping_ops rvt_default_dma_mapping_ops = {
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.unmap_page = rvt_dma_unmap_page,
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.unmap_page = rvt_dma_unmap_page,
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.map_sg = rvt_map_sg,
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.map_sg = rvt_map_sg,
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.unmap_sg = rvt_unmap_sg,
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.unmap_sg = rvt_unmap_sg,
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.map_sg_attrs = rvt_map_sg_attrs,
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.unmap_sg_attrs = rvt_unmap_sg_attrs,
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.sync_single_for_cpu = rvt_sync_single_for_cpu,
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.sync_single_for_cpu = rvt_sync_single_for_cpu,
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.sync_single_for_device = rvt_sync_single_for_device,
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.sync_single_for_device = rvt_sync_single_for_device,
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.alloc_coherent = rvt_dma_alloc_coherent,
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.alloc_coherent = rvt_dma_alloc_coherent,
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@ -358,38 +358,16 @@ static int __init rxe_module_init(void)
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/* initialize slab caches for managed objects */
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/* initialize slab caches for managed objects */
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err = rxe_cache_init();
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err = rxe_cache_init();
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if (err) {
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if (err) {
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pr_err("rxe: unable to init object pools\n");
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pr_err("unable to init object pools\n");
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return err;
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return err;
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}
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}
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err = rxe_net_ipv4_init();
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err = rxe_net_init();
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if (err) {
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if (err)
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pr_err("rxe: unable to init ipv4 tunnel\n");
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return err;
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rxe_cache_exit();
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goto exit;
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}
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err = rxe_net_ipv6_init();
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if (err) {
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pr_err("rxe: unable to init ipv6 tunnel\n");
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rxe_cache_exit();
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goto exit;
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}
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err = register_netdevice_notifier(&rxe_net_notifier);
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if (err) {
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pr_err("rxe: Failed to rigister netdev notifier\n");
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goto exit;
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}
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pr_info("rxe: loaded\n");
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pr_info("loaded\n");
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return 0;
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return 0;
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exit:
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rxe_release_udp_tunnel(recv_sockets.sk4);
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rxe_release_udp_tunnel(recv_sockets.sk6);
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return err;
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}
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}
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static void __exit rxe_module_exit(void)
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static void __exit rxe_module_exit(void)
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@ -398,8 +376,8 @@ static void __exit rxe_module_exit(void)
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rxe_net_exit();
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rxe_net_exit();
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rxe_cache_exit();
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rxe_cache_exit();
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pr_info("rxe: unloaded\n");
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pr_info("unloaded\n");
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}
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}
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module_init(rxe_module_init);
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late_initcall(rxe_module_init);
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module_exit(rxe_module_exit);
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module_exit(rxe_module_exit);
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@ -34,6 +34,11 @@
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#ifndef RXE_H
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#ifndef RXE_H
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#define RXE_H
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#define RXE_H
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#ifdef pr_fmt
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#undef pr_fmt
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#endif
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/module.h>
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#include <linux/skbuff.h>
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#include <linux/skbuff.h>
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#include <linux/crc32.h>
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#include <linux/crc32.h>
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@ -39,7 +39,7 @@ int rxe_av_chk_attr(struct rxe_dev *rxe, struct ib_ah_attr *attr)
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struct rxe_port *port;
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struct rxe_port *port;
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if (attr->port_num != 1) {
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if (attr->port_num != 1) {
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pr_info("rxe: invalid port_num = %d\n", attr->port_num);
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pr_info("invalid port_num = %d\n", attr->port_num);
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return -EINVAL;
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return -EINVAL;
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}
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}
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@ -47,7 +47,7 @@ int rxe_av_chk_attr(struct rxe_dev *rxe, struct ib_ah_attr *attr)
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if (attr->ah_flags & IB_AH_GRH) {
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if (attr->ah_flags & IB_AH_GRH) {
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if (attr->grh.sgid_index > port->attr.gid_tbl_len) {
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if (attr->grh.sgid_index > port->attr.gid_tbl_len) {
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pr_info("rxe: invalid sgid index = %d\n",
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pr_info("invalid sgid index = %d\n",
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attr->grh.sgid_index);
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attr->grh.sgid_index);
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return -EINVAL;
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return -EINVAL;
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}
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}
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@ -567,7 +567,8 @@ int rxe_completer(void *arg)
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state = COMPST_GET_ACK;
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state = COMPST_GET_ACK;
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while (1) {
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while (1) {
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pr_debug("state = %s\n", comp_state_name[state]);
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pr_debug("qp#%d state = %s\n", qp_num(qp),
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comp_state_name[state]);
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switch (state) {
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switch (state) {
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case COMPST_GET_ACK:
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case COMPST_GET_ACK:
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skb = skb_dequeue(&qp->resp_pkts);
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skb = skb_dequeue(&qp->resp_pkts);
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@ -709,7 +710,8 @@ int rxe_completer(void *arg)
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qp->comp.rnr_retry--;
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qp->comp.rnr_retry--;
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qp->req.need_retry = 1;
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qp->req.need_retry = 1;
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pr_debug("set rnr nak timer\n");
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pr_debug("qp#%d set rnr nak timer\n",
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qp_num(qp));
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mod_timer(&qp->rnr_nak_timer,
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mod_timer(&qp->rnr_nak_timer,
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jiffies + rnrnak_jiffies(aeth_syn(pkt)
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jiffies + rnrnak_jiffies(aeth_syn(pkt)
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& ~AETH_TYPE_MASK));
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& ~AETH_TYPE_MASK));
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@ -117,6 +117,21 @@ static void rxe_unmap_sg(struct ib_device *dev,
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WARN_ON(!valid_dma_direction(direction));
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WARN_ON(!valid_dma_direction(direction));
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}
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}
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static int rxe_map_sg_attrs(struct ib_device *dev, struct scatterlist *sgl,
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int nents, enum dma_data_direction direction,
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unsigned long attrs)
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{
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return rxe_map_sg(dev, sgl, nents, direction);
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}
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static void rxe_unmap_sg_attrs(struct ib_device *dev,
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struct scatterlist *sg, int nents,
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enum dma_data_direction direction,
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unsigned long attrs)
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{
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rxe_unmap_sg(dev, sg, nents, direction);
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}
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static void rxe_sync_single_for_cpu(struct ib_device *dev,
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static void rxe_sync_single_for_cpu(struct ib_device *dev,
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u64 addr,
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u64 addr,
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size_t size, enum dma_data_direction dir)
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size_t size, enum dma_data_direction dir)
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@ -159,6 +174,8 @@ struct ib_dma_mapping_ops rxe_dma_mapping_ops = {
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.unmap_page = rxe_dma_unmap_page,
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.unmap_page = rxe_dma_unmap_page,
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.map_sg = rxe_map_sg,
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.map_sg = rxe_map_sg,
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.unmap_sg = rxe_unmap_sg,
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.unmap_sg = rxe_unmap_sg,
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.map_sg_attrs = rxe_map_sg_attrs,
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.unmap_sg_attrs = rxe_unmap_sg_attrs,
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.sync_single_for_cpu = rxe_sync_single_for_cpu,
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.sync_single_for_cpu = rxe_sync_single_for_cpu,
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.sync_single_for_device = rxe_sync_single_for_device,
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.sync_single_for_device = rxe_sync_single_for_device,
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.alloc_coherent = rxe_dma_alloc_coherent,
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.alloc_coherent = rxe_dma_alloc_coherent,
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@ -198,7 +198,7 @@ void free_rd_atomic_resource(struct rxe_qp *qp, struct resp_res *res);
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static inline void rxe_advance_resp_resource(struct rxe_qp *qp)
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static inline void rxe_advance_resp_resource(struct rxe_qp *qp)
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{
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{
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qp->resp.res_head++;
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qp->resp.res_head++;
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if (unlikely(qp->resp.res_head == qp->attr.max_rd_atomic))
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if (unlikely(qp->resp.res_head == qp->attr.max_dest_rd_atomic))
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qp->resp.res_head = 0;
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qp->resp.res_head = 0;
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}
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}
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@ -126,7 +126,7 @@ found_it:
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ret = remap_vmalloc_range(vma, ip->obj, 0);
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ret = remap_vmalloc_range(vma, ip->obj, 0);
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if (ret) {
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if (ret) {
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pr_err("rxe: err %d from remap_vmalloc_range\n", ret);
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pr_err("err %d from remap_vmalloc_range\n", ret);
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goto done;
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goto done;
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}
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}
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@ -39,7 +39,7 @@
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*/
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*/
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static u8 rxe_get_key(void)
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static u8 rxe_get_key(void)
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{
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{
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static unsigned key = 1;
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static u32 key = 1;
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key = key << 1;
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key = key << 1;
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@ -65,7 +65,7 @@ struct rxe_dev *net_to_rxe(struct net_device *ndev)
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return found;
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return found;
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}
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}
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struct rxe_dev *get_rxe_by_name(const char* name)
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struct rxe_dev *get_rxe_by_name(const char *name)
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{
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{
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struct rxe_dev *rxe;
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struct rxe_dev *rxe;
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struct rxe_dev *found = NULL;
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struct rxe_dev *found = NULL;
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@ -350,14 +350,14 @@ static void prepare_ipv6_hdr(struct dst_entry *dst, struct sk_buff *skb,
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ip6h->payload_len = htons(skb->len - sizeof(*ip6h));
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ip6h->payload_len = htons(skb->len - sizeof(*ip6h));
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}
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}
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static int prepare4(struct rxe_dev *rxe, struct sk_buff *skb, struct rxe_av *av)
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static int prepare4(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
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struct sk_buff *skb, struct rxe_av *av)
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{
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{
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struct dst_entry *dst;
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struct dst_entry *dst;
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bool xnet = false;
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bool xnet = false;
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__be16 df = htons(IP_DF);
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__be16 df = htons(IP_DF);
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struct in_addr *saddr = &av->sgid_addr._sockaddr_in.sin_addr;
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struct in_addr *saddr = &av->sgid_addr._sockaddr_in.sin_addr;
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struct in_addr *daddr = &av->dgid_addr._sockaddr_in.sin_addr;
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struct in_addr *daddr = &av->dgid_addr._sockaddr_in.sin_addr;
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struct rxe_pkt_info *pkt = SKB_TO_PKT(skb);
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dst = rxe_find_route4(rxe->ndev, saddr, daddr);
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dst = rxe_find_route4(rxe->ndev, saddr, daddr);
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if (!dst) {
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if (!dst) {
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@ -376,12 +376,12 @@ static int prepare4(struct rxe_dev *rxe, struct sk_buff *skb, struct rxe_av *av)
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return 0;
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return 0;
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}
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}
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static int prepare6(struct rxe_dev *rxe, struct sk_buff *skb, struct rxe_av *av)
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static int prepare6(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
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struct sk_buff *skb, struct rxe_av *av)
|
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{
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{
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struct dst_entry *dst;
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struct dst_entry *dst;
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struct in6_addr *saddr = &av->sgid_addr._sockaddr_in6.sin6_addr;
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struct in6_addr *saddr = &av->sgid_addr._sockaddr_in6.sin6_addr;
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struct in6_addr *daddr = &av->dgid_addr._sockaddr_in6.sin6_addr;
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struct in6_addr *daddr = &av->dgid_addr._sockaddr_in6.sin6_addr;
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struct rxe_pkt_info *pkt = SKB_TO_PKT(skb);
|
|
||||||
|
|
||||||
dst = rxe_find_route6(rxe->ndev, saddr, daddr);
|
dst = rxe_find_route6(rxe->ndev, saddr, daddr);
|
||||||
if (!dst) {
|
if (!dst) {
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||||||
|
@ -408,9 +408,9 @@ static int prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
|
||||||
struct rxe_av *av = rxe_get_av(pkt);
|
struct rxe_av *av = rxe_get_av(pkt);
|
||||||
|
|
||||||
if (av->network_type == RDMA_NETWORK_IPV4)
|
if (av->network_type == RDMA_NETWORK_IPV4)
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err = prepare4(rxe, skb, av);
|
err = prepare4(rxe, pkt, skb, av);
|
||||||
else if (av->network_type == RDMA_NETWORK_IPV6)
|
else if (av->network_type == RDMA_NETWORK_IPV6)
|
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err = prepare6(rxe, skb, av);
|
err = prepare6(rxe, pkt, skb, av);
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||||||
|
|
||||||
*crc = rxe_icrc_hdr(pkt, skb);
|
*crc = rxe_icrc_hdr(pkt, skb);
|
||||||
|
|
||||||
|
@ -601,8 +601,7 @@ void rxe_port_up(struct rxe_dev *rxe)
|
||||||
port->attr.phys_state = IB_PHYS_STATE_LINK_UP;
|
port->attr.phys_state = IB_PHYS_STATE_LINK_UP;
|
||||||
|
|
||||||
rxe_port_event(rxe, IB_EVENT_PORT_ACTIVE);
|
rxe_port_event(rxe, IB_EVENT_PORT_ACTIVE);
|
||||||
pr_info("rxe: set %s active\n", rxe->ib_dev.name);
|
pr_info("set %s active\n", rxe->ib_dev.name);
|
||||||
return;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Caller must hold net_info_lock */
|
/* Caller must hold net_info_lock */
|
||||||
|
@ -615,8 +614,7 @@ void rxe_port_down(struct rxe_dev *rxe)
|
||||||
port->attr.phys_state = IB_PHYS_STATE_LINK_DOWN;
|
port->attr.phys_state = IB_PHYS_STATE_LINK_DOWN;
|
||||||
|
|
||||||
rxe_port_event(rxe, IB_EVENT_PORT_ERR);
|
rxe_port_event(rxe, IB_EVENT_PORT_ERR);
|
||||||
pr_info("rxe: set %s down\n", rxe->ib_dev.name);
|
pr_info("set %s down\n", rxe->ib_dev.name);
|
||||||
return;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
static int rxe_notify(struct notifier_block *not_blk,
|
static int rxe_notify(struct notifier_block *not_blk,
|
||||||
|
@ -641,7 +639,7 @@ static int rxe_notify(struct notifier_block *not_blk,
|
||||||
rxe_port_down(rxe);
|
rxe_port_down(rxe);
|
||||||
break;
|
break;
|
||||||
case NETDEV_CHANGEMTU:
|
case NETDEV_CHANGEMTU:
|
||||||
pr_info("rxe: %s changed mtu to %d\n", ndev->name, ndev->mtu);
|
pr_info("%s changed mtu to %d\n", ndev->name, ndev->mtu);
|
||||||
rxe_set_mtu(rxe, ndev->mtu);
|
rxe_set_mtu(rxe, ndev->mtu);
|
||||||
break;
|
break;
|
||||||
case NETDEV_REBOOT:
|
case NETDEV_REBOOT:
|
||||||
|
@ -651,7 +649,7 @@ static int rxe_notify(struct notifier_block *not_blk,
|
||||||
case NETDEV_CHANGENAME:
|
case NETDEV_CHANGENAME:
|
||||||
case NETDEV_FEAT_CHANGE:
|
case NETDEV_FEAT_CHANGE:
|
||||||
default:
|
default:
|
||||||
pr_info("rxe: ignoring netdev event = %ld for %s\n",
|
pr_info("ignoring netdev event = %ld for %s\n",
|
||||||
event, ndev->name);
|
event, ndev->name);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
@ -671,7 +669,7 @@ int rxe_net_ipv4_init(void)
|
||||||
htons(ROCE_V2_UDP_DPORT), false);
|
htons(ROCE_V2_UDP_DPORT), false);
|
||||||
if (IS_ERR(recv_sockets.sk4)) {
|
if (IS_ERR(recv_sockets.sk4)) {
|
||||||
recv_sockets.sk4 = NULL;
|
recv_sockets.sk4 = NULL;
|
||||||
pr_err("rxe: Failed to create IPv4 UDP tunnel\n");
|
pr_err("Failed to create IPv4 UDP tunnel\n");
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -688,7 +686,7 @@ int rxe_net_ipv6_init(void)
|
||||||
htons(ROCE_V2_UDP_DPORT), true);
|
htons(ROCE_V2_UDP_DPORT), true);
|
||||||
if (IS_ERR(recv_sockets.sk6)) {
|
if (IS_ERR(recv_sockets.sk6)) {
|
||||||
recv_sockets.sk6 = NULL;
|
recv_sockets.sk6 = NULL;
|
||||||
pr_err("rxe: Failed to create IPv6 UDP tunnel\n");
|
pr_err("Failed to create IPv6 UDP tunnel\n");
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
@ -701,3 +699,26 @@ void rxe_net_exit(void)
|
||||||
rxe_release_udp_tunnel(recv_sockets.sk4);
|
rxe_release_udp_tunnel(recv_sockets.sk4);
|
||||||
unregister_netdevice_notifier(&rxe_net_notifier);
|
unregister_netdevice_notifier(&rxe_net_notifier);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
int rxe_net_init(void)
|
||||||
|
{
|
||||||
|
int err;
|
||||||
|
|
||||||
|
recv_sockets.sk6 = NULL;
|
||||||
|
|
||||||
|
err = rxe_net_ipv4_init();
|
||||||
|
if (err)
|
||||||
|
return err;
|
||||||
|
err = rxe_net_ipv6_init();
|
||||||
|
if (err)
|
||||||
|
goto err_out;
|
||||||
|
err = register_netdevice_notifier(&rxe_net_notifier);
|
||||||
|
if (err) {
|
||||||
|
pr_err("Failed to register netdev notifier\n");
|
||||||
|
goto err_out;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
err_out:
|
||||||
|
rxe_net_exit();
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
|
@ -49,8 +49,7 @@ void rxe_release_udp_tunnel(struct socket *sk);
|
||||||
|
|
||||||
struct rxe_dev *rxe_net_add(struct net_device *ndev);
|
struct rxe_dev *rxe_net_add(struct net_device *ndev);
|
||||||
|
|
||||||
int rxe_net_ipv4_init(void);
|
int rxe_net_init(void);
|
||||||
int rxe_net_ipv6_init(void);
|
|
||||||
void rxe_net_exit(void);
|
void rxe_net_exit(void);
|
||||||
|
|
||||||
#endif /* RXE_NET_H */
|
#endif /* RXE_NET_H */
|
||||||
|
|
|
@ -146,7 +146,7 @@ static void free_rd_atomic_resources(struct rxe_qp *qp)
|
||||||
if (qp->resp.resources) {
|
if (qp->resp.resources) {
|
||||||
int i;
|
int i;
|
||||||
|
|
||||||
for (i = 0; i < qp->attr.max_rd_atomic; i++) {
|
for (i = 0; i < qp->attr.max_dest_rd_atomic; i++) {
|
||||||
struct resp_res *res = &qp->resp.resources[i];
|
struct resp_res *res = &qp->resp.resources[i];
|
||||||
|
|
||||||
free_rd_atomic_resource(qp, res);
|
free_rd_atomic_resource(qp, res);
|
||||||
|
@ -174,7 +174,7 @@ static void cleanup_rd_atomic_resources(struct rxe_qp *qp)
|
||||||
struct resp_res *res;
|
struct resp_res *res;
|
||||||
|
|
||||||
if (qp->resp.resources) {
|
if (qp->resp.resources) {
|
||||||
for (i = 0; i < qp->attr.max_rd_atomic; i++) {
|
for (i = 0; i < qp->attr.max_dest_rd_atomic; i++) {
|
||||||
res = &qp->resp.resources[i];
|
res = &qp->resp.resources[i];
|
||||||
free_rd_atomic_resource(qp, res);
|
free_rd_atomic_resource(qp, res);
|
||||||
}
|
}
|
||||||
|
@ -298,8 +298,8 @@ static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp,
|
||||||
|
|
||||||
wqe_size = rcv_wqe_size(qp->rq.max_sge);
|
wqe_size = rcv_wqe_size(qp->rq.max_sge);
|
||||||
|
|
||||||
pr_debug("max_wr = %d, max_sge = %d, wqe_size = %d\n",
|
pr_debug("qp#%d max_wr = %d, max_sge = %d, wqe_size = %d\n",
|
||||||
qp->rq.max_wr, qp->rq.max_sge, wqe_size);
|
qp_num(qp), qp->rq.max_wr, qp->rq.max_sge, wqe_size);
|
||||||
|
|
||||||
qp->rq.queue = rxe_queue_init(rxe,
|
qp->rq.queue = rxe_queue_init(rxe,
|
||||||
&qp->rq.max_wr,
|
&qp->rq.max_wr,
|
||||||
|
@ -596,16 +596,23 @@ int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask,
|
||||||
if (mask & IB_QP_MAX_QP_RD_ATOMIC) {
|
if (mask & IB_QP_MAX_QP_RD_ATOMIC) {
|
||||||
int max_rd_atomic = __roundup_pow_of_two(attr->max_rd_atomic);
|
int max_rd_atomic = __roundup_pow_of_two(attr->max_rd_atomic);
|
||||||
|
|
||||||
free_rd_atomic_resources(qp);
|
|
||||||
|
|
||||||
err = alloc_rd_atomic_resources(qp, max_rd_atomic);
|
|
||||||
if (err)
|
|
||||||
return err;
|
|
||||||
|
|
||||||
qp->attr.max_rd_atomic = max_rd_atomic;
|
qp->attr.max_rd_atomic = max_rd_atomic;
|
||||||
atomic_set(&qp->req.rd_atomic, max_rd_atomic);
|
atomic_set(&qp->req.rd_atomic, max_rd_atomic);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if (mask & IB_QP_MAX_DEST_RD_ATOMIC) {
|
||||||
|
int max_dest_rd_atomic =
|
||||||
|
__roundup_pow_of_two(attr->max_dest_rd_atomic);
|
||||||
|
|
||||||
|
qp->attr.max_dest_rd_atomic = max_dest_rd_atomic;
|
||||||
|
|
||||||
|
free_rd_atomic_resources(qp);
|
||||||
|
|
||||||
|
err = alloc_rd_atomic_resources(qp, max_dest_rd_atomic);
|
||||||
|
if (err)
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
if (mask & IB_QP_CUR_STATE)
|
if (mask & IB_QP_CUR_STATE)
|
||||||
qp->attr.cur_qp_state = attr->qp_state;
|
qp->attr.cur_qp_state = attr->qp_state;
|
||||||
|
|
||||||
|
@ -673,24 +680,27 @@ int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask,
|
||||||
if (mask & IB_QP_RETRY_CNT) {
|
if (mask & IB_QP_RETRY_CNT) {
|
||||||
qp->attr.retry_cnt = attr->retry_cnt;
|
qp->attr.retry_cnt = attr->retry_cnt;
|
||||||
qp->comp.retry_cnt = attr->retry_cnt;
|
qp->comp.retry_cnt = attr->retry_cnt;
|
||||||
pr_debug("set retry count = %d\n", attr->retry_cnt);
|
pr_debug("qp#%d set retry count = %d\n", qp_num(qp),
|
||||||
|
attr->retry_cnt);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (mask & IB_QP_RNR_RETRY) {
|
if (mask & IB_QP_RNR_RETRY) {
|
||||||
qp->attr.rnr_retry = attr->rnr_retry;
|
qp->attr.rnr_retry = attr->rnr_retry;
|
||||||
qp->comp.rnr_retry = attr->rnr_retry;
|
qp->comp.rnr_retry = attr->rnr_retry;
|
||||||
pr_debug("set rnr retry count = %d\n", attr->rnr_retry);
|
pr_debug("qp#%d set rnr retry count = %d\n", qp_num(qp),
|
||||||
|
attr->rnr_retry);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (mask & IB_QP_RQ_PSN) {
|
if (mask & IB_QP_RQ_PSN) {
|
||||||
qp->attr.rq_psn = (attr->rq_psn & BTH_PSN_MASK);
|
qp->attr.rq_psn = (attr->rq_psn & BTH_PSN_MASK);
|
||||||
qp->resp.psn = qp->attr.rq_psn;
|
qp->resp.psn = qp->attr.rq_psn;
|
||||||
pr_debug("set resp psn = 0x%x\n", qp->resp.psn);
|
pr_debug("qp#%d set resp psn = 0x%x\n", qp_num(qp),
|
||||||
|
qp->resp.psn);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (mask & IB_QP_MIN_RNR_TIMER) {
|
if (mask & IB_QP_MIN_RNR_TIMER) {
|
||||||
qp->attr.min_rnr_timer = attr->min_rnr_timer;
|
qp->attr.min_rnr_timer = attr->min_rnr_timer;
|
||||||
pr_debug("set min rnr timer = 0x%x\n",
|
pr_debug("qp#%d set min rnr timer = 0x%x\n", qp_num(qp),
|
||||||
attr->min_rnr_timer);
|
attr->min_rnr_timer);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -698,12 +708,7 @@ int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask,
|
||||||
qp->attr.sq_psn = (attr->sq_psn & BTH_PSN_MASK);
|
qp->attr.sq_psn = (attr->sq_psn & BTH_PSN_MASK);
|
||||||
qp->req.psn = qp->attr.sq_psn;
|
qp->req.psn = qp->attr.sq_psn;
|
||||||
qp->comp.psn = qp->attr.sq_psn;
|
qp->comp.psn = qp->attr.sq_psn;
|
||||||
pr_debug("set req psn = 0x%x\n", qp->req.psn);
|
pr_debug("qp#%d set req psn = 0x%x\n", qp_num(qp), qp->req.psn);
|
||||||
}
|
|
||||||
|
|
||||||
if (mask & IB_QP_MAX_DEST_RD_ATOMIC) {
|
|
||||||
qp->attr.max_dest_rd_atomic =
|
|
||||||
__roundup_pow_of_two(attr->max_dest_rd_atomic);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
if (mask & IB_QP_PATH_MIG_STATE)
|
if (mask & IB_QP_PATH_MIG_STATE)
|
||||||
|
@ -717,38 +722,38 @@ int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask,
|
||||||
|
|
||||||
switch (attr->qp_state) {
|
switch (attr->qp_state) {
|
||||||
case IB_QPS_RESET:
|
case IB_QPS_RESET:
|
||||||
pr_debug("qp state -> RESET\n");
|
pr_debug("qp#%d state -> RESET\n", qp_num(qp));
|
||||||
rxe_qp_reset(qp);
|
rxe_qp_reset(qp);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case IB_QPS_INIT:
|
case IB_QPS_INIT:
|
||||||
pr_debug("qp state -> INIT\n");
|
pr_debug("qp#%d state -> INIT\n", qp_num(qp));
|
||||||
qp->req.state = QP_STATE_INIT;
|
qp->req.state = QP_STATE_INIT;
|
||||||
qp->resp.state = QP_STATE_INIT;
|
qp->resp.state = QP_STATE_INIT;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case IB_QPS_RTR:
|
case IB_QPS_RTR:
|
||||||
pr_debug("qp state -> RTR\n");
|
pr_debug("qp#%d state -> RTR\n", qp_num(qp));
|
||||||
qp->resp.state = QP_STATE_READY;
|
qp->resp.state = QP_STATE_READY;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case IB_QPS_RTS:
|
case IB_QPS_RTS:
|
||||||
pr_debug("qp state -> RTS\n");
|
pr_debug("qp#%d state -> RTS\n", qp_num(qp));
|
||||||
qp->req.state = QP_STATE_READY;
|
qp->req.state = QP_STATE_READY;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case IB_QPS_SQD:
|
case IB_QPS_SQD:
|
||||||
pr_debug("qp state -> SQD\n");
|
pr_debug("qp#%d state -> SQD\n", qp_num(qp));
|
||||||
rxe_qp_drain(qp);
|
rxe_qp_drain(qp);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case IB_QPS_SQE:
|
case IB_QPS_SQE:
|
||||||
pr_warn("qp state -> SQE !!?\n");
|
pr_warn("qp#%d state -> SQE !!?\n", qp_num(qp));
|
||||||
/* Not possible from modify_qp. */
|
/* Not possible from modify_qp. */
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case IB_QPS_ERR:
|
case IB_QPS_ERR:
|
||||||
pr_debug("qp state -> ERR\n");
|
pr_debug("qp#%d state -> ERR\n", qp_num(qp));
|
||||||
rxe_qp_error(qp);
|
rxe_qp_error(qp);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
|
@ -387,7 +387,8 @@ int rxe_rcv(struct sk_buff *skb)
|
||||||
pack_icrc = be32_to_cpu(*icrcp);
|
pack_icrc = be32_to_cpu(*icrcp);
|
||||||
|
|
||||||
calc_icrc = rxe_icrc_hdr(pkt, skb);
|
calc_icrc = rxe_icrc_hdr(pkt, skb);
|
||||||
calc_icrc = crc32_le(calc_icrc, (u8 *)payload_addr(pkt), payload_size(pkt));
|
calc_icrc = crc32_le(calc_icrc, (u8 *)payload_addr(pkt),
|
||||||
|
payload_size(pkt));
|
||||||
calc_icrc = cpu_to_be32(~calc_icrc);
|
calc_icrc = cpu_to_be32(~calc_icrc);
|
||||||
if (unlikely(calc_icrc != pack_icrc)) {
|
if (unlikely(calc_icrc != pack_icrc)) {
|
||||||
char saddr[sizeof(struct in6_addr)];
|
char saddr[sizeof(struct in6_addr)];
|
||||||
|
|
|
@ -38,7 +38,7 @@
|
||||||
#include "rxe_queue.h"
|
#include "rxe_queue.h"
|
||||||
|
|
||||||
static int next_opcode(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
|
static int next_opcode(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
|
||||||
unsigned opcode);
|
u32 opcode);
|
||||||
|
|
||||||
static inline void retry_first_write_send(struct rxe_qp *qp,
|
static inline void retry_first_write_send(struct rxe_qp *qp,
|
||||||
struct rxe_send_wqe *wqe,
|
struct rxe_send_wqe *wqe,
|
||||||
|
@ -121,7 +121,7 @@ void rnr_nak_timer(unsigned long data)
|
||||||
{
|
{
|
||||||
struct rxe_qp *qp = (struct rxe_qp *)data;
|
struct rxe_qp *qp = (struct rxe_qp *)data;
|
||||||
|
|
||||||
pr_debug("rnr nak timer fired\n");
|
pr_debug("qp#%d rnr nak timer fired\n", qp_num(qp));
|
||||||
rxe_run_task(&qp->req.task, 1);
|
rxe_run_task(&qp->req.task, 1);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -187,7 +187,7 @@ static struct rxe_send_wqe *req_next_wqe(struct rxe_qp *qp)
|
||||||
return wqe;
|
return wqe;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int next_opcode_rc(struct rxe_qp *qp, unsigned opcode, int fits)
|
static int next_opcode_rc(struct rxe_qp *qp, u32 opcode, int fits)
|
||||||
{
|
{
|
||||||
switch (opcode) {
|
switch (opcode) {
|
||||||
case IB_WR_RDMA_WRITE:
|
case IB_WR_RDMA_WRITE:
|
||||||
|
@ -259,7 +259,7 @@ static int next_opcode_rc(struct rxe_qp *qp, unsigned opcode, int fits)
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int next_opcode_uc(struct rxe_qp *qp, unsigned opcode, int fits)
|
static int next_opcode_uc(struct rxe_qp *qp, u32 opcode, int fits)
|
||||||
{
|
{
|
||||||
switch (opcode) {
|
switch (opcode) {
|
||||||
case IB_WR_RDMA_WRITE:
|
case IB_WR_RDMA_WRITE:
|
||||||
|
@ -311,7 +311,7 @@ static int next_opcode_uc(struct rxe_qp *qp, unsigned opcode, int fits)
|
||||||
}
|
}
|
||||||
|
|
||||||
static int next_opcode(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
|
static int next_opcode(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
|
||||||
unsigned opcode)
|
u32 opcode)
|
||||||
{
|
{
|
||||||
int fits = (wqe->dma.resid <= qp->mtu);
|
int fits = (wqe->dma.resid <= qp->mtu);
|
||||||
|
|
||||||
|
@ -588,7 +588,7 @@ int rxe_requester(void *arg)
|
||||||
struct rxe_pkt_info pkt;
|
struct rxe_pkt_info pkt;
|
||||||
struct sk_buff *skb;
|
struct sk_buff *skb;
|
||||||
struct rxe_send_wqe *wqe;
|
struct rxe_send_wqe *wqe;
|
||||||
unsigned mask;
|
enum rxe_hdr_mask mask;
|
||||||
int payload;
|
int payload;
|
||||||
int mtu;
|
int mtu;
|
||||||
int opcode;
|
int opcode;
|
||||||
|
@ -626,7 +626,8 @@ next_wqe:
|
||||||
rmr = rxe_pool_get_index(&rxe->mr_pool,
|
rmr = rxe_pool_get_index(&rxe->mr_pool,
|
||||||
wqe->wr.ex.invalidate_rkey >> 8);
|
wqe->wr.ex.invalidate_rkey >> 8);
|
||||||
if (!rmr) {
|
if (!rmr) {
|
||||||
pr_err("No mr for key %#x\n", wqe->wr.ex.invalidate_rkey);
|
pr_err("No mr for key %#x\n",
|
||||||
|
wqe->wr.ex.invalidate_rkey);
|
||||||
wqe->state = wqe_state_error;
|
wqe->state = wqe_state_error;
|
||||||
wqe->status = IB_WC_MW_BIND_ERR;
|
wqe->status = IB_WC_MW_BIND_ERR;
|
||||||
goto exit;
|
goto exit;
|
||||||
|
@ -702,12 +703,12 @@ next_wqe:
|
||||||
|
|
||||||
skb = init_req_packet(qp, wqe, opcode, payload, &pkt);
|
skb = init_req_packet(qp, wqe, opcode, payload, &pkt);
|
||||||
if (unlikely(!skb)) {
|
if (unlikely(!skb)) {
|
||||||
pr_err("Failed allocating skb\n");
|
pr_err("qp#%d Failed allocating skb\n", qp_num(qp));
|
||||||
goto err;
|
goto err;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (fill_packet(qp, wqe, &pkt, skb, payload)) {
|
if (fill_packet(qp, wqe, &pkt, skb, payload)) {
|
||||||
pr_debug("Error during fill packet\n");
|
pr_debug("qp#%d Error during fill packet\n", qp_num(qp));
|
||||||
goto err;
|
goto err;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -383,7 +383,7 @@ static enum resp_states check_resource(struct rxe_qp *qp,
|
||||||
* too many read/atomic ops, we just
|
* too many read/atomic ops, we just
|
||||||
* recycle the responder resource queue
|
* recycle the responder resource queue
|
||||||
*/
|
*/
|
||||||
if (likely(qp->attr.max_rd_atomic > 0))
|
if (likely(qp->attr.max_dest_rd_atomic > 0))
|
||||||
return RESPST_CHK_LENGTH;
|
return RESPST_CHK_LENGTH;
|
||||||
else
|
else
|
||||||
return RESPST_ERR_TOO_MANY_RDMA_ATM_REQ;
|
return RESPST_ERR_TOO_MANY_RDMA_ATM_REQ;
|
||||||
|
@ -749,6 +749,18 @@ static enum resp_states read_reply(struct rxe_qp *qp,
|
||||||
return state;
|
return state;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void build_rdma_network_hdr(union rdma_network_hdr *hdr,
|
||||||
|
struct rxe_pkt_info *pkt)
|
||||||
|
{
|
||||||
|
struct sk_buff *skb = PKT_TO_SKB(pkt);
|
||||||
|
|
||||||
|
memset(hdr, 0, sizeof(*hdr));
|
||||||
|
if (skb->protocol == htons(ETH_P_IP))
|
||||||
|
memcpy(&hdr->roce4grh, ip_hdr(skb), sizeof(hdr->roce4grh));
|
||||||
|
else if (skb->protocol == htons(ETH_P_IPV6))
|
||||||
|
memcpy(&hdr->ibgrh, ipv6_hdr(skb), sizeof(hdr->ibgrh));
|
||||||
|
}
|
||||||
|
|
||||||
/* Executes a new request. A retried request never reach that function (send
|
/* Executes a new request. A retried request never reach that function (send
|
||||||
* and writes are discarded, and reads and atomics are retried elsewhere.
|
* and writes are discarded, and reads and atomics are retried elsewhere.
|
||||||
*/
|
*/
|
||||||
|
@ -761,13 +773,8 @@ static enum resp_states execute(struct rxe_qp *qp, struct rxe_pkt_info *pkt)
|
||||||
qp_type(qp) == IB_QPT_SMI ||
|
qp_type(qp) == IB_QPT_SMI ||
|
||||||
qp_type(qp) == IB_QPT_GSI) {
|
qp_type(qp) == IB_QPT_GSI) {
|
||||||
union rdma_network_hdr hdr;
|
union rdma_network_hdr hdr;
|
||||||
struct sk_buff *skb = PKT_TO_SKB(pkt);
|
|
||||||
|
|
||||||
memset(&hdr, 0, sizeof(hdr));
|
build_rdma_network_hdr(&hdr, pkt);
|
||||||
if (skb->protocol == htons(ETH_P_IP))
|
|
||||||
memcpy(&hdr.roce4grh, ip_hdr(skb), sizeof(hdr.roce4grh));
|
|
||||||
else if (skb->protocol == htons(ETH_P_IPV6))
|
|
||||||
memcpy(&hdr.ibgrh, ipv6_hdr(skb), sizeof(hdr.ibgrh));
|
|
||||||
|
|
||||||
err = send_data_in(qp, &hdr, sizeof(hdr));
|
err = send_data_in(qp, &hdr, sizeof(hdr));
|
||||||
if (err)
|
if (err)
|
||||||
|
@ -881,7 +888,8 @@ static enum resp_states do_complete(struct rxe_qp *qp,
|
||||||
rmr = rxe_pool_get_index(&rxe->mr_pool,
|
rmr = rxe_pool_get_index(&rxe->mr_pool,
|
||||||
wc->ex.invalidate_rkey >> 8);
|
wc->ex.invalidate_rkey >> 8);
|
||||||
if (unlikely(!rmr)) {
|
if (unlikely(!rmr)) {
|
||||||
pr_err("Bad rkey %#x invalidation\n", wc->ex.invalidate_rkey);
|
pr_err("Bad rkey %#x invalidation\n",
|
||||||
|
wc->ex.invalidate_rkey);
|
||||||
return RESPST_ERROR;
|
return RESPST_ERROR;
|
||||||
}
|
}
|
||||||
rmr->state = RXE_MEM_STATE_FREE;
|
rmr->state = RXE_MEM_STATE_FREE;
|
||||||
|
@ -1208,7 +1216,8 @@ int rxe_responder(void *arg)
|
||||||
}
|
}
|
||||||
|
|
||||||
while (1) {
|
while (1) {
|
||||||
pr_debug("state = %s\n", resp_state_name[state]);
|
pr_debug("qp#%d state = %s\n", qp_num(qp),
|
||||||
|
resp_state_name[state]);
|
||||||
switch (state) {
|
switch (state) {
|
||||||
case RESPST_GET_REQ:
|
case RESPST_GET_REQ:
|
||||||
state = get_req(qp, &pkt);
|
state = get_req(qp, &pkt);
|
||||||
|
|
|
@ -79,7 +79,7 @@ static int rxe_param_set_add(const char *val, const struct kernel_param *kp)
|
||||||
|
|
||||||
len = sanitize_arg(val, intf, sizeof(intf));
|
len = sanitize_arg(val, intf, sizeof(intf));
|
||||||
if (!len) {
|
if (!len) {
|
||||||
pr_err("rxe: add: invalid interface name\n");
|
pr_err("add: invalid interface name\n");
|
||||||
err = -EINVAL;
|
err = -EINVAL;
|
||||||
goto err;
|
goto err;
|
||||||
}
|
}
|
||||||
|
@ -92,20 +92,20 @@ static int rxe_param_set_add(const char *val, const struct kernel_param *kp)
|
||||||
}
|
}
|
||||||
|
|
||||||
if (net_to_rxe(ndev)) {
|
if (net_to_rxe(ndev)) {
|
||||||
pr_err("rxe: already configured on %s\n", intf);
|
pr_err("already configured on %s\n", intf);
|
||||||
err = -EINVAL;
|
err = -EINVAL;
|
||||||
goto err;
|
goto err;
|
||||||
}
|
}
|
||||||
|
|
||||||
rxe = rxe_net_add(ndev);
|
rxe = rxe_net_add(ndev);
|
||||||
if (!rxe) {
|
if (!rxe) {
|
||||||
pr_err("rxe: failed to add %s\n", intf);
|
pr_err("failed to add %s\n", intf);
|
||||||
err = -EINVAL;
|
err = -EINVAL;
|
||||||
goto err;
|
goto err;
|
||||||
}
|
}
|
||||||
|
|
||||||
rxe_set_port_state(ndev);
|
rxe_set_port_state(ndev);
|
||||||
pr_info("rxe: added %s to %s\n", rxe->ib_dev.name, intf);
|
pr_info("added %s to %s\n", rxe->ib_dev.name, intf);
|
||||||
err:
|
err:
|
||||||
if (ndev)
|
if (ndev)
|
||||||
dev_put(ndev);
|
dev_put(ndev);
|
||||||
|
@ -120,7 +120,7 @@ static int rxe_param_set_remove(const char *val, const struct kernel_param *kp)
|
||||||
|
|
||||||
len = sanitize_arg(val, intf, sizeof(intf));
|
len = sanitize_arg(val, intf, sizeof(intf));
|
||||||
if (!len) {
|
if (!len) {
|
||||||
pr_err("rxe: add: invalid interface name\n");
|
pr_err("add: invalid interface name\n");
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -133,7 +133,7 @@ static int rxe_param_set_remove(const char *val, const struct kernel_param *kp)
|
||||||
rxe = get_rxe_by_name(intf);
|
rxe = get_rxe_by_name(intf);
|
||||||
|
|
||||||
if (!rxe) {
|
if (!rxe) {
|
||||||
pr_err("rxe: not configured on %s\n", intf);
|
pr_err("not configured on %s\n", intf);
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -100,10 +100,12 @@ static int rxe_query_port(struct ib_device *dev,
|
||||||
rxe->ndev->ethtool_ops->get_settings(rxe->ndev, &cmd);
|
rxe->ndev->ethtool_ops->get_settings(rxe->ndev, &cmd);
|
||||||
speed = cmd.speed;
|
speed = cmd.speed;
|
||||||
} else {
|
} else {
|
||||||
pr_warn("%s speed is unknown, defaulting to 1000\n", rxe->ndev->name);
|
pr_warn("%s speed is unknown, defaulting to 1000\n",
|
||||||
|
rxe->ndev->name);
|
||||||
speed = 1000;
|
speed = 1000;
|
||||||
}
|
}
|
||||||
rxe_eth_speed_to_ib_speed(speed, &attr->active_speed, &attr->active_width);
|
rxe_eth_speed_to_ib_speed(speed, &attr->active_speed,
|
||||||
|
&attr->active_width);
|
||||||
mutex_unlock(&rxe->usdev_lock);
|
mutex_unlock(&rxe->usdev_lock);
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
|
@ -761,7 +763,7 @@ static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr,
|
||||||
}
|
}
|
||||||
|
|
||||||
static int post_one_send(struct rxe_qp *qp, struct ib_send_wr *ibwr,
|
static int post_one_send(struct rxe_qp *qp, struct ib_send_wr *ibwr,
|
||||||
unsigned mask, u32 length)
|
unsigned int mask, u32 length)
|
||||||
{
|
{
|
||||||
int err;
|
int err;
|
||||||
struct rxe_sq *sq = &qp->sq;
|
struct rxe_sq *sq = &qp->sq;
|
||||||
|
@ -801,26 +803,15 @@ err1:
|
||||||
return err;
|
return err;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int rxe_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
|
static int rxe_post_send_kernel(struct rxe_qp *qp, struct ib_send_wr *wr,
|
||||||
struct ib_send_wr **bad_wr)
|
struct ib_send_wr **bad_wr)
|
||||||
{
|
{
|
||||||
int err = 0;
|
int err = 0;
|
||||||
struct rxe_qp *qp = to_rqp(ibqp);
|
|
||||||
unsigned int mask;
|
unsigned int mask;
|
||||||
unsigned int length = 0;
|
unsigned int length = 0;
|
||||||
int i;
|
int i;
|
||||||
int must_sched;
|
int must_sched;
|
||||||
|
|
||||||
if (unlikely(!qp->valid)) {
|
|
||||||
*bad_wr = wr;
|
|
||||||
return -EINVAL;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (unlikely(qp->req.state < QP_STATE_READY)) {
|
|
||||||
*bad_wr = wr;
|
|
||||||
return -EINVAL;
|
|
||||||
}
|
|
||||||
|
|
||||||
while (wr) {
|
while (wr) {
|
||||||
mask = wr_opcode_mask(wr->opcode, qp);
|
mask = wr_opcode_mask(wr->opcode, qp);
|
||||||
if (unlikely(!mask)) {
|
if (unlikely(!mask)) {
|
||||||
|
@ -861,6 +852,29 @@ static int rxe_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
|
||||||
return err;
|
return err;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static int rxe_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
|
||||||
|
struct ib_send_wr **bad_wr)
|
||||||
|
{
|
||||||
|
struct rxe_qp *qp = to_rqp(ibqp);
|
||||||
|
|
||||||
|
if (unlikely(!qp->valid)) {
|
||||||
|
*bad_wr = wr;
|
||||||
|
return -EINVAL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (unlikely(qp->req.state < QP_STATE_READY)) {
|
||||||
|
*bad_wr = wr;
|
||||||
|
return -EINVAL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (qp->is_user) {
|
||||||
|
/* Utilize process context to do protocol processing */
|
||||||
|
rxe_run_task(&qp->req.task, 0);
|
||||||
|
return 0;
|
||||||
|
} else
|
||||||
|
return rxe_post_send_kernel(qp, wr, bad_wr);
|
||||||
|
}
|
||||||
|
|
||||||
static int rxe_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
|
static int rxe_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
|
||||||
struct ib_recv_wr **bad_wr)
|
struct ib_recv_wr **bad_wr)
|
||||||
{
|
{
|
||||||
|
@ -1133,8 +1147,8 @@ static int rxe_set_page(struct ib_mr *ibmr, u64 addr)
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
|
static int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
|
||||||
unsigned int *sg_offset)
|
int sg_nents, unsigned int *sg_offset)
|
||||||
{
|
{
|
||||||
struct rxe_mem *mr = to_rmr(ibmr);
|
struct rxe_mem *mr = to_rmr(ibmr);
|
||||||
int n;
|
int n;
|
||||||
|
|
|
@ -1739,6 +1739,14 @@ struct ib_dma_mapping_ops {
|
||||||
void (*unmap_sg)(struct ib_device *dev,
|
void (*unmap_sg)(struct ib_device *dev,
|
||||||
struct scatterlist *sg, int nents,
|
struct scatterlist *sg, int nents,
|
||||||
enum dma_data_direction direction);
|
enum dma_data_direction direction);
|
||||||
|
int (*map_sg_attrs)(struct ib_device *dev,
|
||||||
|
struct scatterlist *sg, int nents,
|
||||||
|
enum dma_data_direction direction,
|
||||||
|
unsigned long attrs);
|
||||||
|
void (*unmap_sg_attrs)(struct ib_device *dev,
|
||||||
|
struct scatterlist *sg, int nents,
|
||||||
|
enum dma_data_direction direction,
|
||||||
|
unsigned long attrs);
|
||||||
void (*sync_single_for_cpu)(struct ib_device *dev,
|
void (*sync_single_for_cpu)(struct ib_device *dev,
|
||||||
u64 dma_handle,
|
u64 dma_handle,
|
||||||
size_t size,
|
size_t size,
|
||||||
|
@ -3000,6 +3008,10 @@ static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
|
||||||
enum dma_data_direction direction,
|
enum dma_data_direction direction,
|
||||||
unsigned long dma_attrs)
|
unsigned long dma_attrs)
|
||||||
{
|
{
|
||||||
|
if (dev->dma_ops)
|
||||||
|
return dev->dma_ops->map_sg_attrs(dev, sg, nents, direction,
|
||||||
|
dma_attrs);
|
||||||
|
else
|
||||||
return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
|
return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
|
||||||
dma_attrs);
|
dma_attrs);
|
||||||
}
|
}
|
||||||
|
@ -3009,7 +3021,12 @@ static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
|
||||||
enum dma_data_direction direction,
|
enum dma_data_direction direction,
|
||||||
unsigned long dma_attrs)
|
unsigned long dma_attrs)
|
||||||
{
|
{
|
||||||
dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, dma_attrs);
|
if (dev->dma_ops)
|
||||||
|
return dev->dma_ops->unmap_sg_attrs(dev, sg, nents, direction,
|
||||||
|
dma_attrs);
|
||||||
|
else
|
||||||
|
dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction,
|
||||||
|
dma_attrs);
|
||||||
}
|
}
|
||||||
/**
|
/**
|
||||||
* ib_sg_dma_address - Return the DMA address from a scatter/gather entry
|
* ib_sg_dma_address - Return the DMA address from a scatter/gather entry
|
||||||
|
|
Loading…
Reference in a new issue