diff options
| author |   Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> | 2018-01-17 12:53:46 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-01-19 14:56:32 -0500 |
| commit | 56cf2635ce30febd448dc78ff5361e4d9ad2fc0e (patch) | |
| tree | 763696362a1631aa9602c62149274414d035f071 /drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c | |
| parent | net/dim: Fix fixpoint divide exception in net_dim_stats_compare (diff) | |
| download | linux-dev-56cf2635ce30febd448dc78ff5361e4d9ad2fc0e.tar.xz linux-dev-56cf2635ce30febd448dc78ff5361e4d9ad2fc0e.zip | |
cxgb4: update dump collection logic to use compression
Update firmware dump collection logic to use compression when available.
Let collection logic attempt to do compression, instead of returning out
of memory early.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c index f78ba1743b5a..8edc49827af0 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c @@ -19,7 +19,8 @@ #include "cudbg_if.h" #include "cudbg_lib_common.h" -int cudbg_get_buff(struct cudbg_buffer *pdbg_buff, u32 size, +int cudbg_get_buff(struct cudbg_init *pdbg_init, + struct cudbg_buffer *pdbg_buff, u32 size, struct cudbg_buffer *pin_buff) { u32 offset; @@ -28,17 +29,30 @@ int cudbg_get_buff(struct cudbg_buffer *pdbg_buff, u32 size, if (offset + size > pdbg_buff->size) return CUDBG_STATUS_NO_MEM; + if (pdbg_init->compress_type != CUDBG_COMPRESSION_NONE) { + if (size > pdbg_init->compress_buff_size) + return CUDBG_STATUS_NO_MEM; + + pin_buff->data = (char *)pdbg_init->compress_buff; + pin_buff->offset = 0; + pin_buff->size = size; + return 0; + } + pin_buff->data = (char *)pdbg_buff->data + offset; pin_buff->offset = offset; pin_buff->size = size; - pdbg_buff->size -= size; return 0; } -void cudbg_put_buff(struct cudbg_buffer *pin_buff, - struct cudbg_buffer *pdbg_buff) +void cudbg_put_buff(struct cudbg_init *pdbg_init, + struct cudbg_buffer *pin_buff) { - pdbg_buff->size += pin_buff->size; + /* Clear compression buffer for re-use */ + if (pdbg_init->compress_type != CUDBG_COMPRESSION_NONE) + memset(pdbg_init->compress_buff, 0, + pdbg_init->compress_buff_size); + pin_buff->data = NULL; pin_buff->offset = 0; pin_buff->size = 0; |