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From: Michael Chan <michael.chan@broadcom.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: [PATCH net 2/3] bnxt_en: Fix ipv6 RFS filter matching logic.
Date: Fri, 17 Jan 2020 00:32:46 -0500	[thread overview]
Message-ID: <1579239167-16362-3-git-send-email-michael.chan@broadcom.com> (raw)
In-Reply-To: <1579239167-16362-1-git-send-email-michael.chan@broadcom.com>

Fix bnxt_fltr_match() to match ipv6 source and destination addresses.
The function currently only checks ipv4 addresses and will not work
corrently on ipv6 filters.

Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index c779f9c..b441da5 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -11065,11 +11065,23 @@ static bool bnxt_fltr_match(struct bnxt_ntuple_filter *f1,
 	struct flow_keys *keys1 = &f1->fkeys;
 	struct flow_keys *keys2 = &f2->fkeys;
 
-	if (keys1->addrs.v4addrs.src == keys2->addrs.v4addrs.src &&
-	    keys1->addrs.v4addrs.dst == keys2->addrs.v4addrs.dst &&
-	    keys1->ports.ports == keys2->ports.ports &&
-	    keys1->basic.ip_proto == keys2->basic.ip_proto &&
-	    keys1->basic.n_proto == keys2->basic.n_proto &&
+	if (keys1->basic.n_proto != keys2->basic.n_proto ||
+	    keys1->basic.ip_proto != keys2->basic.ip_proto)
+		return false;
+
+	if (keys1->basic.n_proto == htons(ETH_P_IP)) {
+		if (keys1->addrs.v4addrs.src != keys2->addrs.v4addrs.src ||
+		    keys1->addrs.v4addrs.dst != keys2->addrs.v4addrs.dst)
+			return false;
+	} else {
+		if (memcmp(&keys1->addrs.v6addrs.src, &keys2->addrs.v6addrs.src,
+			   sizeof(keys1->addrs.v6addrs.src)) ||
+		    memcmp(&keys1->addrs.v6addrs.dst, &keys2->addrs.v6addrs.dst,
+			   sizeof(keys1->addrs.v6addrs.dst)))
+			return false;
+	}
+
+	if (keys1->ports.ports == keys2->ports.ports &&
 	    keys1->control.flags == keys2->control.flags &&
 	    ether_addr_equal(f1->src_mac_addr, f2->src_mac_addr) &&
 	    ether_addr_equal(f1->dst_mac_addr, f2->dst_mac_addr))
-- 
2.5.1


  parent reply	other threads:[~2020-01-17  5:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-17  5:32 [PATCH net 0/3] bnxt_en: Bug fixes Michael Chan
2020-01-17  5:32 ` [PATCH net 1/3] bnxt_en: Fix NTUPLE firmware command failures Michael Chan
2020-01-17  5:32 ` Michael Chan [this message]
2020-01-17  5:32 ` [PATCH net 3/3] bnxt_en: Do not treat DSN (Digital Serial Number) read failure as fatal Michael Chan
2020-01-18 13:48 ` [PATCH net 0/3] bnxt_en: Bug fixes David Miller

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