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Commit e38b1706 authored by Somnath Kotur's avatar Somnath Kotur Committed by David S. Miller
Browse files

be2net: Mark checksum fail for IP fragmented packets 



HW does not compute L4 checksum for IP Fragmented packets.

Signed-off-by: default avatarKalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: default avatarSomnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 73ce00d4

drivers/net/ethernet/emulex/benet/be.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -262,6 +262,7 @@ struct be_rx_compl_info { 
	u8 ipv6;

	u8 ipv6;

	u8 vtm;

	u8 vtm;

	u8 pkt_type;

	u8 pkt_type;

	u8 ip_frag;

};

};





struct be_rx_obj {

struct be_rx_obj {

drivers/net/ethernet/emulex/benet/be_hw.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -356,7 +356,7 @@ struct amap_eth_rx_compl_v0 { 
	u8 ip_version;		/* dword 1 */

	u8 ip_version;		/* dword 1 */

	u8 macdst[6];		/* dword 1 */

	u8 macdst[6];		/* dword 1 */

	u8 vtp;			/* dword 1 */

	u8 vtp;			/* dword 1 */

	u8 rsvd0;		/* dword 1 */

	u8 ip_frag;		/* dword 1 */

	u8 fragndx[10];		/* dword 1 */

	u8 fragndx[10];		/* dword 1 */

	u8 ct[2];		/* dword 1 */

	u8 ct[2];		/* dword 1 */

	u8 sw;			/* dword 1 */

	u8 sw;			/* dword 1 */

drivers/net/ethernet/emulex/benet/be_main.c

+6 −1
Original line number Original line Diff line number Diff line
@@ -1599,6 +1599,8 @@ static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, 
					       compl);

					       compl);

	}

	}

	rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, 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)

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

	else

		be_parse_rx_compl_v0(compl, rxcp);

		be_parse_rx_compl_v0(compl, rxcp);





	if (rxcp->ip_frag)

		rxcp->l4_csum = 0;



	if (rxcp->vlanf) {

	if (rxcp->vlanf) {

		/* vlanf could be wrongly set in some cards.

		/* vlanf could be wrongly set in some cards.

		 * ignore if vtm is not set */

		 * 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)

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,

static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi,