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qed: Add LL2 slowpath handling

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For iWARP unaligned MPA flow, a slowpath event of flushing an
MPA connection that entered an unaligned state is required.
The flush ramrod is received on the ll2 queue, and a pre-registered
callback function is called to handle the flush event.

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kalderon
2017-10-09 12:37:48 +03:00
committed by David S. Miller
parent 89d6511309
commit 6f34a284f3
2 changed files with 43 additions and 2 deletions
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5
include/linux/qed/qed_ll2_if.h
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@@ -151,11 +151,16 @@ void (*qed_ll2_release_tx_packet_cb)(void *cxt,
dma_addr_t first_frag_addr,
bool b_last_fragment, bool b_last_packet);
typedef
void (*qed_ll2_slowpath_cb)(void *cxt, u8 connection_handle,
u32 opaque_data_0, u32 opaque_data_1);
struct qed_ll2_cbs {
qed_ll2_complete_rx_packet_cb rx_comp_cb;
qed_ll2_release_rx_packet_cb rx_release_cb;
qed_ll2_complete_tx_packet_cb tx_comp_cb;
qed_ll2_release_tx_packet_cb tx_release_cb;
qed_ll2_slowpath_cb slowpath_cb;
void *cookie;
};