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authorJakub Kicinski <kuba@kernel.org>2023-06-15 22:18:58 -0700
committerJakub Kicinski <kuba@kernel.org>2023-06-15 22:19:41 -0700
commit173780ff18a93298ca84224cc79df69f9cc198ce (patch)
tree5584d6e60e0bfb581dbfaf922ef3e28809ad68f8 /drivers/net/phy/phylink.c
parent97c5209b3d374a25ebdb4c2ea9e9c1b121768da0 (diff)
parent40f71e7cd3c6ac04293556ab0504a372393838ff (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: include/linux/mlx5/driver.h 617f5db1a626 ("RDMA/mlx5: Fix affinity assignment") dc13180824b7 ("net/mlx5: Enable devlink port for embedded cpu VF vports") https://lore.kernel.org/all/20230613125939.595e50b8@canb.auug.org.au/ tools/testing/selftests/net/mptcp/mptcp_join.sh 47867f0a7e83 ("selftests: mptcp: join: skip check if MIB counter not supported") 425ba803124b ("selftests: mptcp: join: support RM_ADDR for used endpoints or not") 45b1a1227a7a ("mptcp: introduces more address related mibs") 0639fa230a21 ("selftests: mptcp: add explicit check for new mibs") https://lore.kernel.org/netdev/20230609-upstream-net-20230610-mptcp-selftests-support-old-kernels-part-3-v1-0-2896fe2ee8a3@tessares.net/ No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/phy/phylink.c')
-rw-r--r--drivers/net/phy/phylink.c41
1 files changed, 39 insertions, 2 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 1ae7868d2137..97c15e1f81de 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -205,6 +205,7 @@ static int phylink_interface_max_speed(phy_interface_t interface)
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_QSGMII:
+ case PHY_INTERFACE_MODE_QUSGMII:
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_GMII:
return SPEED_1000;
@@ -221,7 +222,6 @@ static int phylink_interface_max_speed(phy_interface_t interface)
case PHY_INTERFACE_MODE_10GBASER:
case PHY_INTERFACE_MODE_10GKR:
case PHY_INTERFACE_MODE_USXGMII:
- case PHY_INTERFACE_MODE_QUSGMII:
return SPEED_10000;
case PHY_INTERFACE_MODE_25GBASER:
@@ -3365,6 +3365,41 @@ void phylink_decode_usxgmii_word(struct phylink_link_state *state,
EXPORT_SYMBOL_GPL(phylink_decode_usxgmii_word);
/**
+ * phylink_decode_usgmii_word() - decode the USGMII word from a MAC PCS
+ * @state: a pointer to a struct phylink_link_state.
+ * @lpa: a 16 bit value which stores the USGMII auto-negotiation word
+ *
+ * Helper for MAC PCS supporting the USGMII protocol and the auto-negotiation
+ * code word. Decode the USGMII code word and populate the corresponding fields
+ * (speed, duplex) into the phylink_link_state structure. The structure for this
+ * word is the same as the USXGMII word, except it only supports speeds up to
+ * 1Gbps.
+ */
+static void phylink_decode_usgmii_word(struct phylink_link_state *state,
+ uint16_t lpa)
+{
+ switch (lpa & MDIO_USXGMII_SPD_MASK) {
+ case MDIO_USXGMII_10:
+ state->speed = SPEED_10;
+ break;
+ case MDIO_USXGMII_100:
+ state->speed = SPEED_100;
+ break;
+ case MDIO_USXGMII_1000:
+ state->speed = SPEED_1000;
+ break;
+ default:
+ state->link = false;
+ return;
+ }
+
+ if (lpa & MDIO_USXGMII_FULL_DUPLEX)
+ state->duplex = DUPLEX_FULL;
+ else
+ state->duplex = DUPLEX_HALF;
+}
+
+/**
* phylink_mii_c22_pcs_decode_state() - Decode MAC PCS state from MII registers
* @state: a pointer to a &struct phylink_link_state.
* @bmsr: The value of the %MII_BMSR register
@@ -3401,9 +3436,11 @@ void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state,
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_QSGMII:
- case PHY_INTERFACE_MODE_QUSGMII:
phylink_decode_sgmii_word(state, lpa);
break;
+ case PHY_INTERFACE_MODE_QUSGMII:
+ phylink_decode_usgmii_word(state, lpa);
+ break;
default:
state->link = false;