Last year was second year in place for a well-established nursery-grown Lonicera sempervirens, and it bloomed lushly all summer.

Can anyone tell me how to prune it? I don't know if this year's blooms will come from last year's canes or from new growth. It is so profuse (on a chainlink fence in partial shade) that I assume it will benefit from pruning, but I don't wish to proceed in total ignorance! Grateful for advice--