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sfc: add ndo_set_vf_link_state() function for EF10

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Exercised with
"ip link set <PF intf> vf <vf_i> state {auto|enable|disable}"
Sets the reporting policy for VF link state to either
 - mirror physical link state
 - always up
 - always down

get VF link state mode in efx_ef10_sriov_get_vf_config

Exercised by
"ip link show <PF intf>";
output will include a line like
vf 0 MAC 12:34:56:78:9a:bc, link-state auto

Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree
2015-05-20 11:12:13 +01:00
committed by David S. Miller
parent 2d432f20d2
commit 4392dc6900
8 changed files with 93 additions and 0 deletions
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32
drivers/net/ethernet/sfc/mcdi_pcol.h
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@@ -4226,6 +4226,38 @@
#define MC_CMD_GET_WORKAROUNDS_OUT_BUG35017 0x8
/***********************************/
/* MC_CMD_LINK_STATE_MODE
* Read/set link state mode of a VF
*/
#define MC_CMD_LINK_STATE_MODE 0x5c
#define MC_CMD_0x5c_PRIVILEGE_CTG SRIOV_CTG_GENERAL
/* MC_CMD_LINK_STATE_MODE_IN msgrequest */
#define MC_CMD_LINK_STATE_MODE_IN_LEN 8
/* The target function to have its link state mode read or set, must be a VF
* e.g. VF 1,3 = 0x00030001
*/
#define MC_CMD_LINK_STATE_MODE_IN_FUNCTION_OFST 0
#define MC_CMD_LINK_STATE_MODE_IN_FUNCTION_PF_LBN 0
#define MC_CMD_LINK_STATE_MODE_IN_FUNCTION_PF_WIDTH 16
#define MC_CMD_LINK_STATE_MODE_IN_FUNCTION_VF_LBN 16
#define MC_CMD_LINK_STATE_MODE_IN_FUNCTION_VF_WIDTH 16
/* New link state mode to be set */
#define MC_CMD_LINK_STATE_MODE_IN_NEW_MODE_OFST 4
#define MC_CMD_LINK_STATE_MODE_IN_LINK_STATE_AUTO 0x0 /* enum */
#define MC_CMD_LINK_STATE_MODE_IN_LINK_STATE_UP 0x1 /* enum */
#define MC_CMD_LINK_STATE_MODE_IN_LINK_STATE_DOWN 0x2 /* enum */
/* enum: Use this value to just read the existing setting without modifying it.
*/
#define MC_CMD_LINK_STATE_MODE_IN_DO_NOT_CHANGE 0xffffffff
/* MC_CMD_LINK_STATE_MODE_OUT msgresponse */
#define MC_CMD_LINK_STATE_MODE_OUT_LEN 4
#define MC_CMD_LINK_STATE_MODE_OUT_OLD_MODE_OFST 0
/***********************************/
/* MC_CMD_READ_REGS
* Get a dump of the MCPU registers