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authorLeon Romanovsky <leon@kernel.org>2025-06-25 03:57:23 -0400
committerLeon Romanovsky <leon@kernel.org>2025-06-25 03:57:23 -0400
commit4aa765af7983d51eafa13d76398045a5e687b73d (patch)
treea3da8fece8eb8caf6143bb160f2ec3ce8019f219 /drivers/net/phy
parentb5eeb8365d196c95dbb0fd0a5b5a69a44832f16f (diff)
parent52931f55159ea5c27ad4fe66fc0cb8ad75ab795b (diff)
Add multiple priorities support to mlx5 RDMA TRANSPORT tables
From Patrisious: This short series from Patrisious extends mlx5 flow steering logic to allow creation rule creation with priorities in RDMA TRANSPORT tables. Thanks Link: https://lore.kernel.org/all/cover.1750148083.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org> * mlx5-next: (200 commits) net/mlx5: fs, add multiple prios to RDMA TRANSPORT steering domain Linux 6.16-rc2 ...
Diffstat (limited to 'drivers/net/phy')
-rw-r--r--drivers/net/phy/mdio_bus.c12
-rw-r--r--drivers/net/phy/phy_caps.c18
2 files changed, 24 insertions, 6 deletions
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index a6bcb0fee863..fda2e27c1810 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -445,6 +445,9 @@ int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum)
lockdep_assert_held_once(&bus->mdio_lock);
+ if (addr >= PHY_MAX_ADDR)
+ return -ENXIO;
+
if (bus->read)
retval = bus->read(bus, addr, regnum);
else
@@ -474,6 +477,9 @@ int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val)
lockdep_assert_held_once(&bus->mdio_lock);
+ if (addr >= PHY_MAX_ADDR)
+ return -ENXIO;
+
if (bus->write)
err = bus->write(bus, addr, regnum, val);
else
@@ -535,6 +541,9 @@ int __mdiobus_c45_read(struct mii_bus *bus, int addr, int devad, u32 regnum)
lockdep_assert_held_once(&bus->mdio_lock);
+ if (addr >= PHY_MAX_ADDR)
+ return -ENXIO;
+
if (bus->read_c45)
retval = bus->read_c45(bus, addr, devad, regnum);
else
@@ -566,6 +575,9 @@ int __mdiobus_c45_write(struct mii_bus *bus, int addr, int devad, u32 regnum,
lockdep_assert_held_once(&bus->mdio_lock);
+ if (addr >= PHY_MAX_ADDR)
+ return -ENXIO;
+
if (bus->write_c45)
err = bus->write_c45(bus, addr, devad, regnum, val);
else
diff --git a/drivers/net/phy/phy_caps.c b/drivers/net/phy/phy_caps.c
index 703321689726..38417e288611 100644
--- a/drivers/net/phy/phy_caps.c
+++ b/drivers/net/phy/phy_caps.c
@@ -188,6 +188,9 @@ phy_caps_lookup_by_linkmode_rev(const unsigned long *linkmodes, bool fdx_only)
* When @exact is not set, we return either an exact match, or matching capabilities
* at lower speed, or the lowest matching speed, or NULL.
*
+ * Non-exact matches will try to return an exact speed and duplex match, but may
+ * return matching capabilities with same speed but a different duplex.
+ *
* Returns: a matched link_capabilities according to the above process, NULL
* otherwise.
*/
@@ -195,7 +198,7 @@ const struct link_capabilities *
phy_caps_lookup(int speed, unsigned int duplex, const unsigned long *supported,
bool exact)
{
- const struct link_capabilities *lcap, *last = NULL;
+ const struct link_capabilities *lcap, *match = NULL, *last = NULL;
for_each_link_caps_desc_speed(lcap) {
if (linkmode_intersects(lcap->linkmodes, supported)) {
@@ -204,16 +207,19 @@ phy_caps_lookup(int speed, unsigned int duplex, const unsigned long *supported,
if (lcap->speed == speed && lcap->duplex == duplex) {
return lcap;
} else if (!exact) {
- if (lcap->speed <= speed)
- return lcap;
+ if (!match && lcap->speed <= speed)
+ match = lcap;
+
+ if (lcap->speed < speed)
+ break;
}
}
}
- if (!exact)
- return last;
+ if (!match && !exact)
+ match = last;
- return NULL;
+ return match;
}
EXPORT_SYMBOL_GPL(phy_caps_lookup);