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Commit ecf51424 authored by Sara Sharon's avatar Sara Sharon Committed by Luca Coelho
Browse files

iwlwifi: mvm: checksum IPv6 fragmented packet 



Our HW does not support checksum of fragmented packets.
Fix code accordingly to checksum those packets in the driver.

Signed-off-by: default avatarSara Sharon <sara.sharon@intel.com>
Fixes: 5e6a98dc ("iwlwifi: mvm: enable TCP/UDP checksum support for 9000 family")
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 849a9627

drivers/net/wireless/intel/iwlwifi/mvm/tx.c

+6 −15
Original line number Diff line number Diff line
@@ -138,29 +138,20 @@ static void iwl_mvm_tx_csum(struct iwl_mvm *mvm, struct sk_buff *skb, 


		protocol = ipv6h->nexthdr;

		while (protocol != NEXTHDR_NONE && ipv6_ext_hdr(protocol)) {

			struct ipv6_opt_hdr *hp;



			/* only supported extension headers */

			if (protocol != NEXTHDR_ROUTING &&

			    protocol != NEXTHDR_HOP &&

			    protocol != NEXTHDR_DEST &&

			    protocol != NEXTHDR_FRAGMENT) {

			    protocol != NEXTHDR_DEST) {

				skb_checksum_help(skb);

				return;

			}



			if (protocol == NEXTHDR_FRAGMENT) {

				struct frag_hdr *hp =

					OPT_HDR(struct frag_hdr, skb, off);



				protocol = hp->nexthdr;

				off += sizeof(struct frag_hdr);

			} else {

				struct ipv6_opt_hdr *hp =

					OPT_HDR(struct ipv6_opt_hdr, skb, off);



			hp = OPT_HDR(struct ipv6_opt_hdr, skb, off);

			protocol = hp->nexthdr;

			off += ipv6_optlen(hp);

		}

		}

		/* if we get here - protocol now should be TCP/UDP */

#endif

	}