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authorDmitry Kravkov <dmitry@broadcom.com>2014-01-05 18:33:50 +0200
committerDavid S. Miller <davem@davemloft.net>2014-01-05 20:22:24 -0500
commite848582cee23f7ab540ec49ab1c7d7f8bfefcd84 (patch)
tree5dc25ca78477bb73ff58c6a07b13ad1a9e016622 /drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
parenta02bdd423d844f5beb3196922f07c85c2f7691b8 (diff)
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bnx2x: limit number of interrupt vectors for 57711
Original straightforward division may lead to zeroing number of SB and null-pointer dereference when device is short of MSIX vectors or lacks MSIX capabilities. Reported-by: Vladislav Zolotarov <vladz@cloudius-systems.com> Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x.h')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index a1f66e2c9a86..cb30d1a3d3ad 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -2499,4 +2499,6 @@ void bnx2x_set_local_cmng(struct bnx2x *bp);
#define MCPR_SCRATCH_BASE(bp) \
(CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
+#define E1H_MAX_MF_SB_COUNT (HC_SB_MAX_SB_E1X/(E1HVN_MAX * PORT_MAX))
+
#endif /* bnx2x.h */