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be2net: Mark checksum fail for IP fragmented packets

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HW does not compute L4 checksum for IP Fragmented packets.

Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Somnath Kotur 2013-05-29 22:55:56 +00:00 committed by David S. Miller
parent 73ce00d4d6
commit e38b170695
3 changed files with 8 additions and 2 deletions
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1
drivers/net/ethernet/emulex/benet/be.h
View File

@ -262,6 +262,7 @@ struct be_rx_compl_info {
u8 ipv6;
u8 vtm;
u8 pkt_type;
u8 ip_frag;
};
struct be_rx_obj {

2
drivers/net/ethernet/emulex/benet/be_hw.h
View File

@ -356,7 +356,7 @@ struct amap_eth_rx_compl_v0 {
u8 ip_version; /* dword 1 */
u8 macdst[6]; /* dword 1 */
u8 vtp; /* dword 1 */
u8 rsvd0; /* dword 1 */
u8 ip_frag; /* dword 1 */
u8 fragndx[10]; /* dword 1 */
u8 ct[2]; /* dword 1 */
u8 sw; /* dword 1 */

7
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -1599,6 +1599,8 @@ static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl,
compl);
}
rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, compl);
rxcp->ip_frag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0,
ip_frag, compl);
}
static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo)
@ -1620,6 +1622,9 @@ static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo)
else
be_parse_rx_compl_v0(compl, rxcp);
if (rxcp->ip_frag)
rxcp->l4_csum = 0;
if (rxcp->vlanf) {
/* vlanf could be wrongly set in some cards.
* ignore if vtm is not set */
@ -2168,7 +2173,7 @@ static irqreturn_t be_msix(int irq, void *dev)
static inline bool do_gro(struct be_rx_compl_info *rxcp)
{
return (rxcp->tcpf && !rxcp->err) ? true : false;
return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false;
}
static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi,