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Commit 19fad86f authored by Padmanabh Ratnakar's avatar Padmanabh Ratnakar Committed by David S. Miller
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be2net: Checksum field valid only for TCP/UDP 



L4 checksum field is valid only for TCP/UDP packets in Lancer

Signed-off-by: default avatarPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: default avatarSathya Perla <sathya.perla@emulex.com>
Signed-off-by: default avatarSubramanian Seetharaman <subbu.seetharaman@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e80d9da6

drivers/net/benet/be_main.c

+6 −3
Original line number Diff line number Diff line
@@ -865,14 +865,17 @@ static void be_rx_stats_update(struct be_rx_obj *rxo, 


static inline bool csum_passed(struct be_eth_rx_compl *rxcp)

{

	u8 l4_cksm, ipv6, ipcksm;

	u8 l4_cksm, ipv6, ipcksm, tcpf, udpf;



	l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp);

	ipcksm = AMAP_GET_BITS(struct amap_eth_rx_compl, ipcksm, rxcp);

	ipv6 = AMAP_GET_BITS(struct amap_eth_rx_compl, ip_version, rxcp);

	tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl, tcpf, rxcp);

	udpf = AMAP_GET_BITS(struct amap_eth_rx_compl, udpf, rxcp);



	/* Ignore ipcksm for ipv6 pkts */

	return l4_cksm && (ipcksm || ipv6);

	/* L4 checksum is not reliable for non TCP/UDP packets.

	 * Also ignore ipcksm for ipv6 pkts */

	return (tcpf || udpf) && l4_cksm && (ipcksm || ipv6);

}



static struct be_rx_page_info *