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authorEdward Cree <ecree@solarflare.com>2015-05-27 13:13:54 +0100
committerDavid S. Miller <davem@davemloft.net>2015-05-27 13:54:51 -0400
commit75aba2a52d955e6721b798600b115c9d73d8995c (patch)
tree77084530e7a4972f353370262c0105ad58046bf9 /drivers/net/ethernet/sfc/mcdi.h
parent14e1d0fa97f821b42e8683500cf4ec817bb5d940 (diff)
downloadblackbird-op-linux-75aba2a52d955e6721b798600b115c9d73d8995c.tar.gz
blackbird-op-linux-75aba2a52d955e6721b798600b115c9d73d8995c.zip
sfc: add tracing of MCDI commands
MCDI tracing is conditional on CONFIG_SFC_MCDI_LOGGING, which is enabled by default. Each MCDI command will produce a console line like sfc dom:bus:dev:fn ifname: MCDI RPC REQ: xxxxxxxx [yyyyyyyy...] where xxxxxxxx etc. are the raw MCDI payload in 32-bit hex chunks. The response will then produce a similar line with "RESP" instead of "REQ", and containing the MCDI response payload (if any). Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/mcdi.h')
-rw-r--r--drivers/net/ethernet/sfc/mcdi.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
index 7afab2fff4fe..b783a2dff80f 100644
--- a/drivers/net/ethernet/sfc/mcdi.h
+++ b/drivers/net/ethernet/sfc/mcdi.h
@@ -58,6 +58,7 @@ enum efx_mcdi_mode {
* enabled
* @async_list: Queue of asynchronous requests
* @async_timer: Timer for asynchronous request timeout
+ * @logging_buffer: buffer that may be used to build MCDI tracing messages
*/
struct efx_mcdi_iface {
struct efx_nic *efx;
@@ -74,6 +75,9 @@ struct efx_mcdi_iface {
spinlock_t async_lock;
struct list_head async_list;
struct timer_list async_timer;
+#ifdef CONFIG_SFC_MCDI_LOGGING
+ char *logging_buffer;
+#endif
};
struct efx_mcdi_mon {
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