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Commit 774253da authored by Ashwanth Goli's avatar Ashwanth Goli Committed by Tejaswi Tanikella
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net: rmnet_data: validate csum in SW 



Do SW checksum validation if rmnet_data checksum
validation fails.

Change-Id: Ifff229dc1e7eb592d58fc66ea278debb292b89aa
Signed-off-by: default avatarAshwanth Goli <ashwanth@codeaurora.org>
Signed-off-by: default avatarTejaswi Tanikella <tejaswit@codeaurora.org>
parent b997f3dc

net/rmnet_data/rmnet_data_handlers.c

+6 −4
Original line number Diff line number Diff line
@@ -408,10 +408,12 @@ static rx_handler_result_t _rmnet_map_ingress_handler(struct sk_buff *skb, 
		if (likely((ckresult == RMNET_MAP_CHECKSUM_OK)

			    || (ckresult == RMNET_MAP_CHECKSUM_SKIPPED)))

			skb->ip_summed |= CHECKSUM_UNNECESSARY;

		else if (ckresult != RMNET_MAP_CHECKSUM_ERR_UNKNOWN_IP_VERSION

			&& ckresult != RMNET_MAP_CHECKSUM_ERR_UNKNOWN_TRANSPORT

			&& ckresult != RMNET_MAP_CHECKSUM_VALID_FLAG_NOT_SET

			&& ckresult != RMNET_MAP_CHECKSUM_FRAGMENTED_PACKET) {

		else if (ckresult !=

				RMNET_MAP_CHECKSUM_ERR_UNKNOWN_IP_VERSION &&

			ckresult != RMNET_MAP_CHECKSUM_ERR_UNKNOWN_TRANSPORT &&

			ckresult != RMNET_MAP_CHECKSUM_VALID_FLAG_NOT_SET &&

			ckresult != RMNET_MAP_CHECKSUM_VALIDATION_FAILED &&

			ckresult != RMNET_MAP_CHECKSUM_FRAGMENTED_PACKET) {

			rmnet_kfree_skb(skb,

				RMNET_STATS_SKBFREE_INGRESS_BAD_MAP_CKSUM);

			return RX_HANDLER_CONSUMED;