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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-21 19:02:54 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-21 19:02:54 -1000
commita497c3ba1d97fc69c1e78e7b96435ba8c2cb42ee (patch)
tree50cb748a3dd5d9527cb48e4125774f302fa556b1 /include/uapi/linux/in6.h
parent8f5d27084d9832f75bc6e6bfdde7622e1e1bf798 (diff)
Linux 3.16-rc2v3.16-rc2
Diffstat (limited to 'include/uapi/linux/in6.h')
0 files changed, 0 insertions, 0 deletions
generated by cgit
td class='upd'>include/linux/phylink.h6
-rw-r--r--include/uapi/linux/mii.h5
3 files changed, 217 insertions, 0 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 60f32b354013..ced99e8fda31 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -2068,4 +2068,210 @@ void phylink_helper_basex_speed(struct phylink_link_state *state)
}
EXPORT_SYMBOL_GPL(phylink_helper_basex_speed);
+static void phylink_decode_c37_word(struct phylink_link_state *state,
+ uint16_t config_reg, int speed)
+{
+ bool tx_pause, rx_pause;
+ int fd_bit;
+
+ if (speed == SPEED_2500)
+ fd_bit = ETHTOOL_LINK_MODE_2500baseX_Full_BIT;
+ else
+ fd_bit = ETHTOOL_LINK_MODE_1000baseX_Full_BIT;
+
+ mii_lpa_mod_linkmode_x(state->lp_advertising, config_reg, fd_bit);
+
+ if (linkmode_test_bit(fd_bit, state->advertising) &&
+ linkmode_test_bit(fd_bit, state->lp_advertising)) {
+ state->speed = speed;
+ state->duplex = DUPLEX_FULL;
+ } else {
+ /* negotiation failure */
+ state->link = false;
+ }
+
+ linkmode_resolve_pause(state->advertising, state->lp_advertising,
+ &tx_pause, &rx_pause);
+
+ if (tx_pause)
+ state->pause |= MLO_PAUSE_TX;
+ if (rx_pause)
+ state->pause |= MLO_PAUSE_RX;
+}
+
+static void phylink_decode_sgmii_word(struct phylink_link_state *state,
+ uint16_t config_reg)
+{
+ if (!(config_reg & LPA_SGMII_LINK)) {
+ state->link = false;
+ return;
+ }
+
+ switch (config_reg & LPA_SGMII_SPD_MASK) {
+ case LPA_SGMII_10:
+ state->speed = SPEED_10;
+ break;
+ case LPA_SGMII_100:
+ state->speed = SPEED_100;
+ break;
+ case LPA_SGMII_1000:
+ state->speed = SPEED_1000;
+ break;
+ default:
+ state->link = false;
+ return;
+ }
+ if (config_reg & LPA_SGMII_FULL_DUPLEX)
+ state->duplex = DUPLEX_FULL;
+ else
+ state->duplex = DUPLEX_HALF;
+}
+
+/**
+ * phylink_mii_c22_pcs_get_state() - read the MAC PCS state
+ * @pcs: a pointer to a &struct mdio_device.
+ * @state: a pointer to a &struct phylink_link_state.
+ *
+ * Helper for MAC PCS supporting the 802.3 clause 22 register set for
+ * clause 37 negotiation and/or SGMII control.
+ *
+ * Read the MAC PCS state from the MII device configured in @config and
+ * parse the Clause 37 or Cisco SGMII link partner negotiation word into
+ * the phylink @stat