diff options
| author | Faisal Latif <faisal.latif@intel.com> | 2011-09-25 20:34:00 -0500 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2011-10-10 10:54:47 -0700 |
| commit | 0f0bee8bbc2b3e49baa703118041f99db9ef41a1 (patch) | |
| tree | 3a4598c74f2dcab76fcf8a6cb3d533f8582bf613 /drivers/infiniband/hw/nes/nes_verbs.h | |
| parent | 6224c7eeff586e9dbf51b872d7e0bae291fa00ed (diff) | |
| download | linux-0f0bee8bbc2b3e49baa703118041f99db9ef41a1.tar.gz linux-0f0bee8bbc2b3e49baa703118041f99db9ef41a1.tar.bz2 linux-0f0bee8bbc2b3e49baa703118041f99db9ef41a1.zip | |
RDMA/nes: Support for Packed And Unaligned fpdus
Support for Packed and Unaligned (PAU) FPDUs is needed for
interoperability between NES and non-NES nodes. When the NES hardware
detects a PAU frame, it will pass it to the driver to process the
frame. NES driver creates a new frame for each FPDU and forwards it
to the hardware to be sent to its associated qp.
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Faisal Latif <Faisal.Latif@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_verbs.h')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_verbs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/nes/nes_verbs.h b/drivers/infiniband/hw/nes/nes_verbs.h index 2df9993e0cac..280057353343 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.h +++ b/drivers/infiniband/hw/nes/nes_verbs.h @@ -154,6 +154,7 @@ struct nes_qp { u32 mmap_sq_db_index; u32 mmap_rq_db_index; spinlock_t lock; + spinlock_t pau_lock; struct nes_qp_context *nesqp_context; dma_addr_t nesqp_context_pbase; void *pbl_vbase; @@ -161,6 +162,8 @@ struct nes_qp { struct page *page; struct timer_list terminate_timer; enum ib_event_type terminate_eventtype; + struct sk_buff_head pau_list; + u32 pau_rcv_nxt; u16 active_conn:1; u16 skip_lsmm:1; u16 user_mode:1; @@ -168,7 +171,8 @@ struct nes_qp { u16 flush_issued:1; u16 destroyed:1; u16 sig_all:1; - u16 rsvd:9; + u16 pau_mode:1; + u16 rsvd:8; u16 private_data_len; u16 term_sq_flush_code; u16 term_rq_flush_code; @@ -176,5 +180,8 @@ struct nes_qp { u8 hw_tcp_state; u8 term_flags; u8 sq_kmapped; + u8 pau_busy; + u8 pau_pending; + u8 pau_state; }; #endif /* NES_VERBS_H */ |