diff options
| author | Vladimir Sokolovsky <vlad@mellanox.co.il> | 2008-07-14 23:48:48 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-07-14 23:48:48 -0700 |
| commit | af40da894e96d5c826d38be3ea53ee00d9de0367 (patch) | |
| tree | 15b8e850d4227ec04289e5bc67d1838f231c8d9f /drivers/infiniband/ulp/ipoib/ipoib.h | |
| parent | 12406734051a26e9fe4c8568e931dfddbb72d431 (diff) | |
| download | talos-obmc-linux-af40da894e96d5c826d38be3ea53ee00d9de0367.tar.gz talos-obmc-linux-af40da894e96d5c826d38be3ea53ee00d9de0367.zip | |
IPoIB: add LRO support
Add "ipoib_use_lro" module parameter to enable LRO and an
"ipoib_lro_max_aggr" module parameter to set the max number of packets
to be aggregated. Make LRO controllable and LRO statistics accessible
through ethtool.
Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il>
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib.h')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 8754b364f229..2c522572e3c5 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -50,6 +50,7 @@ #include <rdma/ib_verbs.h> #include <rdma/ib_pack.h> #include <rdma/ib_sa.h> +#include <linux/inet_lro.h> /* constants */ @@ -94,6 +95,9 @@ enum { IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ IPOIB_MCAST_FLAG_ATTACHED = 3, + IPOIB_MAX_LRO_DESCRIPTORS = 8, + IPOIB_LRO_MAX_AGGR = 64, + MAX_SEND_CQE = 16, IPOIB_CM_COPYBREAK = 256, }; @@ -248,6 +252,11 @@ struct ipoib_ethtool_st { u16 max_coalesced_frames; }; +struct ipoib_lro { + struct net_lro_mgr lro_mgr; + struct net_lro_desc lro_desc[IPOIB_MAX_LRO_DESCRIPTORS]; +}; + /* * Device private locking: tx_lock protects members used in TX fast * path (and we use LLTX so upper layers don't do extra locking). @@ -334,6 +343,8 @@ struct ipoib_dev_priv { int hca_caps; struct ipoib_ethtool_st ethtool; struct timer_list poll_timer; + + struct ipoib_lro lro; }; struct ipoib_ah { |
