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authorPeter Delevoryas <peter@pjd.dev>2023-11-14 17:07:33 +0100
committerDavid S. Miller <davem@davemloft.net>2023-11-18 16:00:51 +0100
commitc797ce168930ce3d62a9b7fc4d7040963ee6a01e (patch)
tree7b03f03b27037df70e72c8d9640496eccab5ea9c /net/ncsi
parentMerge branch 'net-make-timestamping-selectable' (diff)
downloadlinux-c797ce168930ce3d62a9b7fc4d7040963ee6a01e.tar.xz
linux-c797ce168930ce3d62a9b7fc4d7040963ee6a01e.zip
net/ncsi: Simplify Kconfig/dts control flow
Background: 1. CONFIG_NCSI_OEM_CMD_KEEP_PHY If this is enabled, we send an extra OEM Intel command in the probe sequence immediately after discovering a channel (e.g. after "Clear Initial State"). 2. CONFIG_NCSI_OEM_CMD_GET_MAC If this is enabled, we send one of 3 OEM "Get MAC Address" commands from Broadcom, Mellanox (Nvidida), and Intel in the *configuration* sequence for a channel. 3. mellanox,multi-host (or mlx,multi-host) Introduced by this patch: https://lore.kernel.org/all/20200108234341.2590674-1-vijaykhemka@fb.com/ Which was actually originally from cosmo.chou@quantatw.com: https://github.com/facebook/openbmc-linux/commit/9f132a10ec48db84613519258cd8a317fb9c8f1b Cosmo claimed that the Nvidia ConnectX-4 and ConnectX-6 NIC's don't respond to Get Version ID, et. al in the probe sequence unless you send the Set MC Affinity command first. Problem Statement: We've been using a combination of #ifdef code blocks and IS_ENABLED() conditions to conditionally send these OEM commands. It makes adding any new code around these commands hard to understand. Solution: In this patch, I just want to remove the conditionally compiled blocks of code, and always use IS_ENABLED(...) to do dynamic control flow. I don't think the small amount of code this adds to non-users of the OEM Kconfigs is a big deal. Signed-off-by: Peter Delevoryas <peter@pjd.dev> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ncsi')
-rw-r--r--net/ncsi/ncsi-manage.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c
index d9da942ad53d..f3d7fe86fea1 100644
--- a/net/ncsi/ncsi-manage.c
+++ b/net/ncsi/ncsi-manage.c
@@ -689,8 +689,6 @@ static int set_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc,
return 0;
}
-#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_KEEP_PHY)
-
static int ncsi_oem_keep_phy_intel(struct ncsi_cmd_arg *nca)
{
unsigned char data[NCSI_OEM_INTEL_CMD_KEEP_PHY_LEN];
@@ -716,10 +714,6 @@ static int ncsi_oem_keep_phy_intel(struct ncsi_cmd_arg *nca)
return ret;
}
-#endif
-
-#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC)
-
/* NCSI OEM Command APIs */
static int ncsi_oem_gma_handler_bcm(struct ncsi_cmd_arg *nca)
{
@@ -856,8 +850,6 @@ static int ncsi_gma_handler(struct ncsi_cmd_arg *nca, unsigned int mf_id)
return nch->handler(nca);
}
-#endif /* CONFIG_NCSI_OEM_CMD_GET_MAC */
-
/* Determine if a given channel from the channel_queue should be used for Tx */
static bool ncsi_channel_is_tx(struct ncsi_dev_priv *ndp,
struct ncsi_channel *nc)
@@ -1039,20 +1031,18 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
goto error;
}
- nd->state = ncsi_dev_state_config_oem_gma;
+ nd->state = IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC)
+ ? ncsi_dev_state_config_oem_gma
+ : ncsi_dev_state_config_clear_vids;
break;
case ncsi_dev_state_config_oem_gma:
nd->state = ncsi_dev_state_config_clear_vids;
- ret = -1;
-#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC)
nca.type = NCSI_PKT_CMD_OEM;
nca.package = np->id;
nca.channel = nc->id;
ndp->pending_req_num = 1;
ret = ncsi_gma_handler(&nca, nc->version.mf_id);
-#endif /* CONFIG_NCSI_OEM_CMD_GET_MAC */
-
if (ret < 0)
schedule_work(&ndp->work);
@@ -1404,7 +1394,6 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp)
schedule_work(&ndp->work);
break;
-#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC)
case ncsi_dev_state_probe_mlx_gma:
ndp->pending_req_num = 1;
@@ -1429,7 +1418,6 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp)
nd->state = ncsi_dev_state_probe_cis;
break;
-#endif /* CONFIG_NCSI_OEM_CMD_GET_MAC */
case ncsi_dev_state_probe_cis:
ndp->pending_req_num = NCSI_RESERVED_CHANNEL;
@@ -1447,7 +1435,6 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp)
if (IS_ENABLED(CONFIG_NCSI_OEM_CMD_KEEP_PHY))
nd->state = ncsi_dev_state_probe_keep_phy;
break;
-#if IS_ENABLED(CONFIG_NCSI_OEM_CMD_KEEP_PHY)
case ncsi_dev_state_probe_keep_phy:
ndp->pending_req_num = 1;
@@ -1460,7 +1447,6 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp)
nd->state = ncsi_dev_state_probe_gvi;
break;
-#endif /* CONFIG_NCSI_OEM_CMD_KEEP_PHY */
case ncsi_dev_state_probe_gvi:
case ncsi_dev_state_probe_gc:
case ncsi_dev_state_probe_gls: