The roaming cases for the Connect command were not fully covered and neither Connect nor Associate command uses of the prev_bssid parameter were very clear. Add details to describe how the prev_bssid argument is supposed to be used and when the driver should use association or reassociation.
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| @@ -429,7 +429,11 @@ · 428 unmodified lines | ||
| 429 | 429 | * @NL80211_CMD_ASSOCIATE: association request and notification; like |
| 430 | 430 | * NL80211_CMD_AUTHENTICATE but for Association and Reassociation |
| 431 | 431 | * (similar to MLME-ASSOCIATE.request, MLME-REASSOCIATE.request, |
| 432 | − * MLME-ASSOCIATE.confirm or MLME-REASSOCIATE.confirm primitives). | |
| 432 | + * MLME-ASSOCIATE.confirm or MLME-REASSOCIATE.confirm primitives). The | |
| 433 | + * %NL80211_ATTR_PREV_BSSID attribute is used to specify whether the | |
| 434 | + * request is for the initial association to an ESS (that attribute not | |
| 435 | + * included) or for reassociation within the ESS (that attribute is | |
| 436 | + * included). | |
| 433 | 437 | * @NL80211_CMD_DEAUTHENTICATE: deauthentication request and notification; like |
| 434 | 438 | * NL80211_CMD_AUTHENTICATE but for Deauthentication frames (similar to |
| 435 | 439 | * MLME-DEAUTHENTICATION.request and MLME-DEAUTHENTICATE.indication |
| @@ -479,6 +483,9 @@ · 43 unmodified lines | ||
| 479 | 483 | * set of BSSID,frequency parameters is used (i.e., either the enforcing |
| 480 | 484 | * %NL80211_ATTR_MAC,%NL80211_ATTR_WIPHY_FREQ or the less strict |
| 481 | 485 | * %NL80211_ATTR_MAC_HINT and %NL80211_ATTR_WIPHY_FREQ_HINT). |
| 486 | + * %NL80211_ATTR_PREV_BSSID can be used to request a reassociation within | |
| 487 | + * the ESS in case the device is already associated and an association with | |
| 488 | + * a different BSS is desired. | |
| 482 | 489 | * Background scan period can optionally be |
| 483 | 490 | * specified in %NL80211_ATTR_BG_SCAN_PERIOD, |
| 484 | 491 | * if not specified default background scan configuration |
| @@ -1287,8 +1294,11 @@ enum nl80211_commands { · 802 unmodified lines | ||
| 1287 | 1294 | * @NL80211_ATTR_RESP_IE: (Re)association response information elements as |
| 1288 | 1295 | * sent by peer, for ROAM and successful CONNECT events. |
| 1289 | 1296 | * |
| 1290 | − * @NL80211_ATTR_PREV_BSSID: previous BSSID, to be used by in ASSOCIATE | |
| 1291 | − * commands to specify using a reassociate frame | |
| 1297 | + * @NL80211_ATTR_PREV_BSSID: previous BSSID, to be used in ASSOCIATE and CONNECT | |
| 1298 | + * commands to specify a request to reassociate within an ESS, i.e., to use | |
| 1299 | + * Reassociate Request frame (with the value of this attribute in the | |
| 1300 | + * Current AP address field) instead of Association Request frame which is | |
| 1301 | + * used for the initial association to an ESS. | |
| 1292 | 1302 | * |
| 1293 | 1303 | * @NL80211_ATTR_KEY: key information in a nested attribute with |
| 1294 | 1304 | * %NL80211_KEY_* sub-attributes |