cxgb4: Include TCP as protocol when creating server filters
We were creating LE Workaround Server Filters without specifying IPPROTO_TCP (6) in the filters (when F_PROTOCOL is set in TP_VLAN_PRI_MAP). This meant that UDP packets with matching IP Addresses/Ports would get caught up in the filter and be delivered to ULDs like iw_cxgb4. So, include the protocol information in the server filter properly. Based on original work by Casey Leedom <leedom@chelsio.com> Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -4217,6 +4217,11 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid,
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}
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}
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if (adap->filter_mode & F_PROTOCOL) {
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f->fs.val.proto = IPPROTO_TCP;
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f->fs.mask.proto = ~0;
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}
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f->fs.dirsteer = 1;
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f->fs.iq = queue;
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/* Mark filter as locked */
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@ -1171,6 +1171,10 @@
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#define A_TP_TX_SCHED_PCMD 0x25
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#define S_PROTOCOL 5
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#define V_PROTOCOL(x) ((x) << S_PROTOCOL)
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#define F_PROTOCOL V_PROTOCOL(1U)
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#define S_PORT 1
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#define V_PORT(x) ((x) << S_PORT)
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#define F_PORT V_PORT(1U)
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