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Commit 64ba6075 authored by Sivan Reinstein's avatar Sivan Reinstein Committed by Gerrit - the friendly Code Review server
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msm: ipa: support configuring UL checksum offload 



Adding support for configuring UL checksum offload on the
AP->IPA pipe for embedded data path.
This is needed in order for the IPA HW to compute TCP/UDP
checksum on packets in the embedded UL data path.

CRs-fixed: 731693
Change-Id: Iade7e06a613d993f0b4e652d794a9e0727032c30
Signed-off-by: default avatarSivan Reinstein <sivanr@codeaurora.org>
parent a9ada1a5

drivers/platform/msm/ipa/rmnet_ipa.c

+7 −2
Original line number Diff line number Diff line
@@ -1270,10 +1270,15 @@ static int ipa_wwan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 
		case RMNET_IOCTL_SET_EGRESS_DATA_FORMAT:

			IPAWANDBG("get RMNET_IOCTL_SET_EGRESS_DATA_FORMAT\n");

			if ((extend_ioctl_data.u.data) &

					RMNET_IOCTL_EGRESS_FORMAT_CHECKSUM)

					RMNET_IOCTL_EGRESS_FORMAT_CHECKSUM) {

				apps_to_ipa_ep_cfg.ipa_ep_cfg.hdr.hdr_len = 8;

			else

				apps_to_ipa_ep_cfg.ipa_ep_cfg.cfg.

					cs_offload_en = 1;

				apps_to_ipa_ep_cfg.ipa_ep_cfg.cfg.

					cs_metadata_hdr_offset = 1;

			} else {

				apps_to_ipa_ep_cfg.ipa_ep_cfg.hdr.hdr_len = 4;

			}

			if ((extend_ioctl_data.u.data) &

					RMNET_IOCTL_EGRESS_FORMAT_AGGREGATION)

				apps_to_ipa_ep_cfg.ipa_ep_cfg.aggr.aggr_en =