Commit ae9e6b54 authored by Matt Traudt's avatar Matt Traudt Committed by David Goulet
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sched: add comment about how we determine if a socket should write

parent 47390d1c
...@@ -375,6 +375,10 @@ socket_can_write(socket_table_t *table, const channel_t *chan) ...@@ -375,6 +375,10 @@ socket_can_write(socket_table_t *table, const channel_t *chan)
return 1; // Just return true, saying that kist wouldn't limit the socket return 1; // Just return true, saying that kist wouldn't limit the socket
} }
/* We previously caclulated a write limit for this socket. In the below
* calculation, first determine how much room is left in bytes. Then divide
* that by the amount of space a cell takes. If there's room for at least 1
* cell, then KIST will allow the socket to write. */
int64_t kist_limit_space = int64_t kist_limit_space =
(int64_t) (ent->limit - ent->written) / (int64_t) (ent->limit - ent->written) /
(CELL_MAX_NETWORK_SIZE + TLS_PER_CELL_OVERHEAD); (CELL_MAX_NETWORK_SIZE + TLS_PER_CELL_OVERHEAD);
......
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