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Commit 43738f6a authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "net: qualcomm: rmnet: Fix incorrect UL checksum offload logic"

parents 7fdad686 bc174ca4

drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h

+1 −1
Original line number Diff line number Diff line
@@ -113,7 +113,7 @@ struct rmnet_map_dl_csum_trailer { 
struct rmnet_map_ul_csum_header {

	__be16 csum_start_offset;

	u16 csum_insert_offset:14;

	u16 udp_ip4_ind:1;

	u16 udp_ind:1;

	u16 csum_enabled:1;

} __aligned(1);

drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c

+9 −4
Original line number Diff line number Diff line
@@ -222,9 +222,9 @@ rmnet_map_ipv4_ul_csum_header(void *iphdr, 
	ul_header->csum_insert_offset = skb->csum_offset;

	ul_header->csum_enabled = 1;

	if (ip4h->protocol == IPPROTO_UDP)

		ul_header->udp_ip4_ind = 1;

		ul_header->udp_ind = 1;

	else

		ul_header->udp_ip4_ind = 0;

		ul_header->udp_ind = 0;



	/* Changing remaining fields to network order */

	hdr++;
@@ -255,6 +255,7 @@ rmnet_map_ipv6_ul_csum_header(void *ip6hdr, 
			      struct rmnet_map_ul_csum_header *ul_header,

			      struct sk_buff *skb)

{

	struct ipv6hdr *ip6h = (struct ipv6hdr *)ip6hdr;

	__be16 *hdr = (__be16 *)ul_header, offset;



	offset = htons((__force u16)(skb_transport_header(skb) -
@@ -262,7 +263,11 @@ rmnet_map_ipv6_ul_csum_header(void *ip6hdr, 
	ul_header->csum_start_offset = offset;

	ul_header->csum_insert_offset = skb->csum_offset;

	ul_header->csum_enabled = 1;

	ul_header->udp_ip4_ind = 0;



	if (ip6h->nexthdr == IPPROTO_UDP)

		ul_header->udp_ind = 1;

	else

		ul_header->udp_ind = 0;



	/* Changing remaining fields to network order */

	hdr++;
@@ -471,7 +476,7 @@ void rmnet_map_v4_checksum_uplink_packet(struct sk_buff *skb, 
	ul_header->csum_start_offset = 0;

	ul_header->csum_insert_offset = 0;

	ul_header->csum_enabled = 0;

	ul_header->udp_ip4_ind = 0;

	ul_header->udp_ind = 0;



	priv->stats.csum_sw++;

}