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5 Commits

Author SHA1 Message Date
Sivan Reinstein 6b9a08570c net: rmnet_data: add support for UL MAP based checksum offload 
Add UL checksum offload routines for MAPv3. Can bypass checksum software
for IPv4/IPv6 TCP/UDP protocols.
Set rmnet_data VNDs hw_flags to NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM to
define the checksum offload abilities.
Add UL checksum meta-info header for IPv4/IPv6 TCP/UDP packets for which
UL checksum is being offloaded.

CRs-fixed: 731693
Change-Id: Ief139d357b528aead66acfe39a5227328b8fbf93
Signed-off-by: Sivan Reinstein <sivanr@codeaurora.org>
 2014-11-24 10:07:31 +02:00
Harout Hedeshian 5b05491d22 net: rmnet_data: Add counters for downlink checksum offload return codes 
Added counter array to /sys/module/rmnet_data/parameters/checksum_dl_stats
for non-realtime analysis of checksum offload.

Change-Id: I749c09147325fd0f871c34ff17e2546b68898faa
Signed-off-by: Harout Hedeshian <harouth@codeaurora.org>
 2014-08-26 16:03:42 -06:00
Sivan Reinstein 0db8fc47f0 net: rmnet_data: add support for DL MAP based checksum offload 
Add DL checksum offload routines for MAPv3. Can bypass checksum software
for IPv4/IPv6 TCP/UDP protocols.

CRs-fixed: 692334
Change-Id: Ic13a5d9a1ebfdc57b6eb53ee93da92c3aee547b1
Signed-off-by: Sivan Reinstein <sivanr@codeaurora.org>
 2014-07-22 15:35:01 +03:00
Harout Hedeshian fcb888fb20 net: rmnet_data: Catch empty MAP frames during de-aggregation 
RmNet Data does not explicitly catch 0-length MAP frames when
de-aggregating frames. This causes the empty MAP frames to get dropped
at a later point in MAP processing, causing the drop counters to get
skewed with benign drops. This patch explicitly handles 0-length
MAP frames and adds a dedicated drop counter. This change is required
on hardware which generates 0-length MAP frames.

CRs-Fixed: 673296
Change-Id: I8e7210403d35018bffa8f45ea1b4b5752f3e30be
Signed-off-by: Harout Hedeshian <harouth@codeaurora.org>
 2014-05-30 08:19:21 -06:00
Harout Hedeshian b6ca4b8030 net: rmnet_data: Enhanced counters 
Added performance counters to various key places in RmNet Data
data path.

CRs-Fixed: 600629
Change-Id: Iba50c86665e181e09525e9538a540e09e526e16f
Signed-off-by: Harout Hedeshian <harouth@codeaurora.org>
 2014-01-31 10:29:33 -07:00