@@ -21,6 +21,22 @@ enum {
MLO_AN_FIXED, /* Fixed-link mode */
MLO_AN_INBAND, /* In-band protocol */
+ /* MAC_SYM_PAUSE and MAC_ASYM_PAUSE correspond to the PAUSE and
+ * ASM_DIR bits used in autonegotiation, respectively. See IEEE802.3
+ * Annex 28B for more information.
+ *
+ * The following table lists the values of MLO_PAUSE_* (aside from
+ * MLO_PAUSE_AN) which might be requested depending on the results of
+ * autonegotiation or user configuration:
+ *
+ * MAC_SYM_PAUSE MAC_ASYM_PAUSE Valid pause modes
+ * ============= ============== ==============================
+ * 0 0 MLO_PAUSE_NONE
+ * 0 1 MLO_PAUSE_NONE, MLO_PAUSE_TX
+ * 1 0 MLO_PAUSE_NONE, MLO_PAUSE_TXRX
+ * 1 1 MLO_PAUSE_NONE, MLO_PAUSE_TXRX,
+ * MLO_PAUSE_RX
+ */
MAC_SYM_PAUSE = BIT(0),
MAC_ASYM_PAUSE = BIT(1),
MAC_10HD = BIT(2),
This documents the possible MLO_PAUSE_* settings which can result from different combinations of MLO_(A)SYM_PAUSE. These are more-or-less a direct consequence of Table 28B-2. Signed-off-by: Sean Anderson <sean.anderson@seco.com> --- (no changes since v3) Changes in v3: - New include/linux/phylink.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)