RDMA/cxgb3: Support for new abort logic
The HW now posts 2 ABORT_RPL and/or PEER_ABORT_REQ messages. We need to handle them by silenty dropping the 1st but mark that we're ready for the final message. This plugs some close races between the uP and HW. Also update the minimum required firmware version. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -1109,6 +1109,15 @@ static int abort_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
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PDBG("%s ep %p\n", __FUNCTION__, ep);
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/*
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* We get 2 abort replies from the HW. The first one must
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* be ignored except for scribbling that we need one more.
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*/
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if (!(ep->flags & ABORT_REQ_IN_PROGRESS)) {
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ep->flags |= ABORT_REQ_IN_PROGRESS;
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return CPL_RET_BUF_DONE;
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}
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close_complete_upcall(ep);
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state_set(&ep->com, DEAD);
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release_ep_resources(ep);
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@ -1476,6 +1485,15 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
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int ret;
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int state;
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/*
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* We get 2 peer aborts from the HW. The first one must
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* be ignored except for scribbling that we need one more.
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*/
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if (!(ep->flags & PEER_ABORT_IN_PROGRESS)) {
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ep->flags |= PEER_ABORT_IN_PROGRESS;
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return CPL_RET_BUF_DONE;
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}
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if (is_neg_adv_abort(req->status)) {
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PDBG("%s neg_adv_abort ep %p tid %d\n", __FUNCTION__, ep,
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ep->hwtid);
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@ -143,6 +143,11 @@ enum iwch_ep_state {
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DEAD,
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};
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enum iwch_ep_flags {
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PEER_ABORT_IN_PROGRESS = (1 << 0),
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ABORT_REQ_IN_PROGRESS = (1 << 1),
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};
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struct iwch_ep_common {
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struct iw_cm_id *cm_id;
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struct iwch_qp *qp;
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@ -181,6 +186,7 @@ struct iwch_ep {
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u16 plen;
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u32 ird;
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u32 ord;
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u32 flags;
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};
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static inline struct iwch_ep *to_ep(struct iw_cm_id *cm_id)
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@ -38,7 +38,7 @@
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#define DRV_VERSION "1.0-ko"
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/* Firmware version */
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#define FW_VERSION_MAJOR 3
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#define FW_VERSION_MINOR 3
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#define FW_VERSION_MAJOR 4
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#define FW_VERSION_MINOR 0
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#define FW_VERSION_MICRO 0
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#endif /* __CHELSIO_VERSION_H */
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